Chicago P.d. - Season 1 -

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

Antonio’s son is kidnapped by the cartel, forcing the team into a desperate search. Chicago P.D. - Season 1

as Sergeant Hank Voight: The intense, often ethically-grey leader of the Intelligence Unit. as Detective Sheldon Jin: The unit's tech and

as Detective Alvin Olinsky: A seasoned undercover veteran and Voight’s right-hand man. Chicago P.D. - Season 1

A gun-smuggling case involves high-caliber rounds; Halstead faces a ghost from his past.

The series premiere where the unit hunts a Colombian drug cartel. Adam Ruzek joins the team.