Arturo Del Puerto

When District 21 goes after a Colombian drug gang following a series of brutal slayings, an asset in the investigation emerges.

The Jeffersonian team investigates the death of Jared Drew, an animal expo employee, and in the course of their investigation into his death, they enter the world of illegal animal trafficking. Meanwhile, Brennan thinks she would make an excellent presidential candidate, and Sweets and Daisy take on a big change in their relationship.

A night of partying ends badly for an American in Tijuana; Jack comes across his son working undercover with the Mexican cartels.

Platt and Voight discuss their pasts; Jin uses a scapegoat when he is caught tinkering with Voight's computer; Lindsay realizes she needs to come clean.

Antonio believes a Colombian gang is involved in his son's kidnapping; Halstead learns new information about Lindsay; Voight offers Antonio a new way to get information about Diego's whereabouts.

Jenny and Cassie sit down with Tubb, who reveals a case that goes far beyond their jurisdiction; Cassie and Jenny kick their search for Tanya into high gear.