L.U.C.A.: The Beginning

Ji Oh wakes up, grievously wounded, with collapsed men all around him. However, Ji Oh is incapable of remembering anything, including who he is. Meanwhile, Ha Neul-ae-goo-reum, a detective, fails to secure a key piece of evidence.

Ji Oh receives life-threatening wounds due to his fall, and Goo-reum wakes up at the hospital. Goo-reum remembers a boy from her childhood and begins to look into Ji Oh. Meanwhile, Lee Son visits the hospital to capture Ji Oh.

Ji Oh rescues Goo-reum, and Lee Son is reprimanded for losing Ji Oh. Goo-reum asks Ji Oh about her parents, but he is unable to remember anything. Goo-reum decides to take Ji Oh to a place that he might recognize.

Ji Oh is shocked to remember that he was the one who set the orphanage on fire. Goo-reum entrusts Ji Oh to Professor Oh, but Ji Oh recalls more uncomfortable details from his past during the check-up.

Goo-reum decides to take in Ji Oh at her place. Ji Oh realizes how desperate Goo-reum had been trying to find her parents. Meanwhile, Lee Son makes a dangerous decision to capture Ji Oh.

Zio revisits the laboratory from his childhood, where he encounters an unexpected individual.

In the midst of the chaotic scene at Human Tech's secret lab, Gu Reum and Zio reunite.

To safeguard Gu Reum, Zio brings her to a ranch where he once worked years ago.

Captain Choi arrives at the location where Gu Reum and her baby are being held captive.

Zio plunges into despair as his sole confidante, Won Yi, is endangered due to their association.

Feeling hollow amidst the adulation of cult followers who see him as a divine figure.

Zio dreams of forging a new world for Gu Reum and their child.