The Secret House

Ji Hwan and Min Young are concerned about their mother's symptoms, and therefore, she visits a doctor.

Tae Hyung's hatred toward Ji Hwan gets even stronger after the interview as he cannot beat him no matter what.

While looking for his mother, Ji Hwan gets shocked to find out that she has been diagnosed with dementia.

Ji Hwan's search for his mother continues. No matter where he looks, it's as if she disappeared into thin air.

Ji Hwan takes care of a new family member. Despite his difficulties, he does his best to look after her.

Both Ji Hwan and Sook Jin look for Kyung Sun, and Tae Hyung receives a citation for catching a criminal.

Mr. Kim from Siheung, who manipulated Heung Sik with the cost of materials, stabs him out of anger.

Ji Hwan rushes off to Taebaek after Jin Ho calls him. However, Sook Jin orders Man Soo to take Kyung Sun away.

Sol must endure great pain. The poor girl's only hope of survival depends on her birth mother's choice.

No matter how different their paths are, a new future awaits for both Woo Ji Hwan and Nam Tae Hyung.

Tae Hee is suspicious of Sook Jin and starts to follow her, while Min Young gets her test result back.

Tae Hyung gets shocked when Min Young shows up in front of his house and spills the beans after nine years.

After visiting Heung Sik, Ji Hwan gets more curious about the relationship between his mother and Heung Sik.

Sang Gu wants to reveal the truth about Kyung Sun's accident, and Sook Jin comes back to see Min Young again.

Ju Hong's father is clearly hiding something from Ji Hwan and Ju Hong. He firmly tries to keep it a secret.

Now that Tae Hyung knows what happened to Kyung Sun, the thought of losing everything eats him up inside.

Tae Hyung promises Min Young that he will take her to where Kyung Sun is, and she leaves a message to Ji Hwan.

Tae Hyung comes back from the abandoned building, but he realizes he left his belonging at the crime scene.

Tae Hyung goes back to the crime scene to find what he has lost, while Ji Hwan also visits the building.

Ji Hwan investigates Min Young's death thoroughly. While doing so, he stumbles upon new facts that shock him.

After Ji Hwan listens to the recording, he shows up at Tae Hyung's house to give everyone a warning.

Tae Hyung and Sook Jin plan another scheme to stop Ji Hwan and Tae Hee from digging into their past.

Ji Hwan loses his temper when he hears the news about his mother, while Ju Hong notices something is off.

Ji Hwan is confused as he receives a phone call from his mother, and Tae Hee gets her test result back.

Tae Hyung is busy with his election campaign, and Ji Hwan waits for Man Soo to turn his phone on to track him.

Fortunately, Ji Hwan escapes from the apartment with Kyung Sun, and Sook Jin throws a fit at Man Soo.

Sook Jin gets completely shocked when she sees Kyung Sun at the market, and Man Soo tells her the truth.

Tae Hyung feels anxious every day since Ji Hwan took Kyung Sun and cornered his family with a complaint.

Tae Hee wants to hand over the evidence for Ji Hwan to prove the crime and asks him to marry her in return.

Tae Hyung kidnaps Kyung Sun and makes her fall off the cliff. Ji Hwan comes to save her, but it is too late.

After losing his mother twice, Ji Hwan changes his way and takes revenge on Tae Hyung by using Tae Hee.

Heung Sik locks Tae Hee in the hospital to keep her away from Ji Hwan, and Ju Hong tries to persuade her.

Sook Jin and Tae Hyung each carry out a plan to get Ji Hwan off their backs. But he doesn't falter easily.

From behind bars, Ji Hwan makes a surprise attack on the Nam family and bargains to get what he wants.

Ju Hong is heartbroken, and Tae Hee threatens Sook Jin with the crucial evidence to get married to Ji Hwan.

Ji Hwan and Tae Hee are legally married now, and they visit Tae Hee's family to make the announcement.

Sook Jin uses the taxi driver who had the dashcam footage to frame Ji Hwan, and Heung Sik falls for it.

After Ji Hwan proposes a prenuptial agreement, Heung Sik decides to let Tae Hee get married to Ji Hwan.

Ji Hwan joins Sook Jin's company through blind recruitment, and therefore, she plans to lock Tae Hee up again.

Ji Hwan moves into Tae Hee's place with Sol, and Sook Jin threatens him in front of Sol about her father.

Tae Hyung is paranoid after seeing Ji Hwan wearing the cufflinks, and Sook Jin wants to get rid of Ji Hwan.

Ji Hwan is hospitalized after the accident, while Tae Hyung discovers a photo of his father in Ji Hwan's room.

Ji Hwan wakes up in the hospital, while Heung Sik suspects Sook Jin of putting Ji Hwan and Sol in danger.

Tae Hyung wants to ensure he can inherit all of Heung Sik's assets while Ji Hwan gets back at Sook Jin.

The party representative betrays Tae Hyung and makes a false statement, and Ji Hwan wants him to resign.

Ji Hwan steals Man Soo's car and keeps the bribe, while Tae Hee prepares a birthday meal for her late father.

Tae Hyung announces that he will resign, while Ji Hwan finds out about Man Soo's relationship with Tae Hee.

Ji Hwan asks Tae Hee for the evidence she promised to hand over, while Sook Jin receives a letter from someone.

Sook Jin gets frightened as she reads the letter. Therefore, Man Soo searches everywhere to find the sender.

Sook Jin steals three million dollars from Heung Sik and loses it in a second by falling into Ji Hwan's trap.

Ji Hwan is shocked to find out Sang Gu has been hiding the truth about the car accident from him for years.

Tae Hyung does not admit to his crime, and Tae Hee warns Ju Hong never to see Ji Hwan again.

Sang Gu tries to turn himself in for covering Sook Jin and Tae Hyung's crimes, but Ji Hwan stops him.

Tae Hee is doing everything she can to keep Ji Hwan by her side, while Sang Gu is ready to turn himself in.

Tae Hee leaves Sang Gu and runs away from the scene with Man Soo. But Ju Hong suspects Tae Hyung and Sook Jin.

After going through the video footage, Ji Hwan and Jin Ho suspect Tae Hee was the one who hurt Sang Gu.

Tae Hee lies to Ji Hwan about Sang Gu's accident, and he takes her to the station as a person of interest.

Sang Gu draws his last breath and leaves his family. Ju Hong tries to reveal that Tae Hee is the culprit.

Ju Hong barge into Heung Sik’s house to reveal the truth about the car accident. However, Ji Hwan stops her.

After losing her father, Ju Hong decides to get married to Tae Hyung and goes down the same path as Ji Hwan.

Tae Hyung and Ju Hong get married and move into Heung Sik's house, and Sook Jin despises her even more.

Sook Jin threatens Tae Hee to give up on the land, while Ji Hwan discovers Heung Sik has another grandson.

Tae Hyung tries to stop Ji Hwan from finding Heung Sik's other grandson, while Ju Hong finds out Tae Hee's secret.

Ju Hong surprises everyone by inviting Tae Hee's stand-in donor and reveals the truth in front of everyone.

Ji Hwan avoids Tae Hee after finding out about the stand-in donor, and Tae Hee asks Heung Sik for help.

Sook Jin and Tae Hyung are stressed out as Heung Sik gets attached to Ji Hwan and Sol instead of Tae Hyung.

Sook Jin decides to let Tae Hee know about her birth father to make her give up on Heung Sik's offers.

Tae Hee feels devastated after she receives the test result, while Heung Sik asks Man Soo to run an errand for him.

Ji Hwan realizes that Tae Hyung ordered Man Soo to fabricate everything and fooled Heung Sik all along.

Tae Hyung is terrified to see Kyung Sun alive and reveals who Ji Hwan's birth father is to Sook Jin.

Ji Hwan persuades Heung Sik to run another DNA test, and Heung Sik lets Ju Hong take care of it secretly.

Man Soo follows Ju Hong to stop her from getting the test done, while Tae Hee discovers Sook Jin's ex-lover.

Heung Sik surprises everyone by amending his will and tells Tae Hee to get a divorce as soon as possible.

Heung Sik receives another letter that reveals the secret of his family. This time, it's about Tae Hee.

Heung Sik gets furious at Sook Jin for deceiving him the entire time and kicks her out of the house.

Ji Hwan and Jin Ho probe into Annie Brown, while Ju Hong also runs into her in front of Sol's school.

Annie reveals who she is and why she came to meet Ji Hwan, while Tae Hee visits Dong Cheol for the first time.

Tae Hee confirms that Dong Cheol is not her father, and Sook Jin is annoyed at her for digging up dirt on him.

Annie finally shows herself to Tae Hyung and Sook Jin and turns their family upside down as she planned.

Tae Hyung invites Annie to his place to win her over, while Ju Hong gets a call about the rooftop accident.

Ju Hong reports Tae Hee to the police, and Sook Jin and Tae Hyung try their best to get Tae Hee out of trouble.

Ji Hwan submits the original video file to the police, and Tae Hee feels betrayed by him as she gets arrested.

Both Ji Hwan and Tae Hyung dig into Dong Cheol, while Haeng Ja discovers the culprit who killed Sang Gu.

Tae Hyung cannot trust Sook Jin anymore as she keeps lying to him that Dong Cheol is Tae Hee's birth father.

Sook Jin is annoyed by how Ji Hwan ruined her plan, while Tae Hee finds out Sook Jin lied to her again.

Heung Sik reveals the truth about Ji Hwan during the meeting, and Tae Hyung meets up with Dong Cheol privately.

Tae Hyung wants to get rid of Dong Cheol, while Ji Hwan talks to Professor Jang about Chan Woo's death.

Ji Hwan investigates Chan Woo's death and questions his family members, while Heung Sik worries about him.

Heung Sik requests an official investigation for embezzlement, and Sook Jin hires someone to take the blame.

Sol and Kyung Sun run into Annie at Ji Hwan's office, while Tae Hyung stops Dong Cheol from meeting Heung Sik.

Ju Hong and Ji Hwan find out that Tae Hyung is not Chan Woo's biological son, and Ji Hwan suspects Dong Cheol.

Ji Hwan brings up Dong Cheol to Heung Sik, and Tae Hyung and Sook Jin make up a story to get out of trouble.

Dong Cheol and Tae Hee fall for Sook Jin's trap, but they are about to pay her back with her deepest secret.

Dong Cheol starts blackmailing Tae Hyung and Sook Jin ever since he found out that Tae Hyung is his son.

Tae Hyung damages Ji Hwan's car to stop him, while Heung Sik finds out who Tae Hyung's biological father is.

Heung Sik collapses in front of Sook Jin, and she uses this incident to put everything back in her favor.

A witness with the evidence shows up, and Tae Hyung and Sook Jin want to meet him before Ji Hwan does.

Sook Jin visits Heung Sik when he leaves ICU, and Ji Hwan gets Tae Hyung to testify in front of the witness.

Sook Jin gets Heung Sik's thumbprint on his new written will and threatens Tae Hee with her birth father.

Ji Hwan throws a fit at Sook Jin for forging Heung Sik's will, and she transfers him to another branch.

Heung Sik wakes up, but Ji Hwan and Ju Hong keep it a secret from their family and ban them from visiting.

Just before Sook Jin is about to purchase Heung Sik's share, Ji Hwan appears with a voice memo from Heung Sik.

Ji Hwan picks up the crucial evidence Kwang Mi left at the hospital while Tae Hee asks Haeng Ja a favor.

Tae Hyung promises Annie to help her in investigating Min Young's accident, while Sook Jin kidnaps Tae Hee.

Ji Hwan saves Tae Hee, but she is traumatized by the fact that Sook Jin had put her in danger for Tae Hyung.

Heung Sik attends the shareholder meeting and shocks everyone. Furthermore, he nominates Ji Hwan as the new CEO.

Tae Hee pretends not to know about Chan Woo's death, and Ju Hong gets suspicious of Kwang Mi.

Kim Yoon Tae, the head of the department, betrays Sook Jin and flees without turning himself in for her.

Sook Jin looks for Yoon Tae to persuade him to turn himself in for her embezzlement, and Ji Hwan stops her.

Instead of turning himself in, Yoon Tae reports Sook Jin for embezzlement of company funds.

Ji Hwan hands in the written pledge to the police as evidence, but Sook Jin escapes from getting detained.

Ji Hwan finds out that Jung Im was Kwang Mi's cousin and his mother lived under her name for nine years.

Kwang Mi confesses her crimes and apologies to Ji Hwan, while Sook Jin proposes her new plan to Tae Hee.

No matter how hard Sook Jin tries to cover up her crimes, Ji Hwan hunts her down to reveal the truth.

Tae Hee wants to get her revenge on people who used her for their own good, including Ji Hwan.

Annie requests to re-investigate Min Young's case and Heung Sik cuts Tae Hyung off from his family.

While Ji Hwan and Tae Hyung have an argument at the hospital, Sol finds out who her real father is.

Sook Jin forces Man Soo to turn himself in using Tae Hee, while Jin Ho restores the file from the pen recorder.

Man Soo falls off the bridge while trying to save Tae Hee, and Ji Hwan is about to sue Tae Hyung for murder.

As soon as Ji Hwan dismisses Tae Hyung, he gets arrested for the attempted murder of Kyung Sun.

Tae Hyung follows Ji Hwan to steal the video evidence away from him before he reports it to the police.

Tae Hyung runs away as he notices that someone is following Sook Jin, so Sook Jin gets arrested alone.

The truck crashes into Ji Hwan's car as Sook Jin planned, but she hears shocking news from her lawyer.

Tae Hyung donates his liver to Sol before he meets his end, and Sook Jin tries to jump off the building.