Emily Peterson

Wrong Side of the Bars. 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.

Chin Check. Voight and the team check out a house that has been associated with a series of gangs, people from the past cause Halstead's temper to rise.

Thirty Balloons. Atwater and Burgess must keep their new patrol car in mint condition, the Intelligence Unit uncovers drug smuggling, Voight's behavior toward Lindsay drives her right where he doesn't want her, tensions rise between Olinsky and Ruzek.

The Price We Pay. Voight's son may be involved with the Fitori murder case, intensifying tension between Antonio and Voight, Ruzek helps Burgess get retribution.

My Way. Cmdr. Perry notifies the unit that Pulpo has been released to help with a case, Ruzek gets difficult news, when a bit of Lindsay's past resurfaces, Voight reminds her how far she's come.