Arturo Del Puerto

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

When the CBI investigates the murder of an antiques dealer found dead in a museum, the evidence indicates that the suspect may be a member of the team.

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.

Our family faces their greatest test yet. Nick, Madison, Travis, and others go to great lengths to keep each other close.

Conflict erupts in a final push to Strand's destination. Chris makes a decision that shakes the family. Nick meets a new maternal figure.

Alicia works to reunite with her family. Travis meets a familiar face. Madison and Nick lead a charge to save their family against all odds.