Season 1 - Chicago P.d. -

The season finale involves a massive manhunt for the escaped cartel leader Pulpo and a shocking betrayal within the unit.

The series premiere where the unit hunts a Colombian drug cartel. Adam Ruzek joins the team. Chicago P.D. - Season 1

A special crossover episode where from Law & Order: SVU visit Chicago to help track a serial rapist. 8:30 PM The season finale involves a massive manhunt for

The season balances high-stakes criminal investigations with the personal dramas of the squad: Key Plot Points Chicago P.D. - Season 1

as Detective Antonio Dawson: A dedicated family man who often serves as the moral foil to Voight.

as Trudy Platt: The sarcastic, no-nonsense desk sergeant (recurring in Season 1, later a main cast member). Episode Guide Summary

as Detective Sheldon Jin: The unit's tech and surveillance expert.