Chicago P.D. (2014)

S1E9 A Material Witness

While responding to a call, Atwater and Burgess stumble upon a gunshot victim, with Lexi Olinsky as the sole witness. The incident is linked to a Latin gang, prompting Voight to intervene and take charge of the case in order to safeguard Olinsky’s daughter. Ruzek enlists Burgess's help for an undercover operation that he believes could lead to crucial breakthroughs in the investigation. The episode features performances by Jon Seda, Sophia Bush, Jesse Lee Soffer, and Archie Kao.