Dexter: Original Sin

Young Dexter Morgan struggles to keep his urges in check while navigating life with his father, Harry, and sister, high-school senior Deb; after Harry has a health scare, Dexter realizes it may finally be time to fulfill his destiny.

Dexter adjusts to his new job as a forensics intern at Miami Metro; Deb lashes out at her dad by engaging in petty criminal behavior.

Dexter goes after a loan shark with ties to Batista; Deb throws a party to win the favor of her volleyball teammates.

Dexter targets a retired mob hitman; Harry works the gruesome murder case of a ten-year-old boy; Deb sneaks into a nightclub with Sofia and meets an exciting new friend.

After a kill goes wrong, Dexter is grounded by Harry; Deb deepens her relationship with Gio, and bonds with her brother on the anniversary of their mother's death.

Miami Metro is shaken by a kidnapping that hits close to home, as Dexter sets his sights on a killer that slipped through the cracks of the justice system; first, Dexter must survive a double date with Deb and her new boyfriend.

Dexter needs to find a new hiding place after his most recent dumping ground is blown; Harry and LaGuerta pitch a controversial theory to Spencer, as the hunt for a missing child continues; Deb gets in trouble for an outburst in volleyball practice.

Deb sneaks away for a trip with her mysterious boyfriend; Dexter is tasked with finding her; Harry and LaGuerta travel to Tampa to look into a potential serial killer on the loose; Miami Metro closes in on suspects in the child kidnapping.

In the fallout of a SWAT raid gone wrong, Dexter closes in on the child kidnapper; Deb goes to work with her dad and sees Miami Metro in a new light; Harry digs deeper into the serial killer case but keeps his theory from LaGuerta.

Dexter races to find the missing kidnapped child before it's too late; Deb visits her godfather in the hospital and rethinks her future; Harry comes face-to-face with a serial killer.