Danny Martinez

Lindsay (Sophia Bush) has her first case with the task force and realizes she needs to call on Voight (Jason Beghe) and the Intelligence unit to assist. Meanwhile Burgess (Marina Squerciati) is back on the job, but relegated to desk duty which allows Desk Sgt. Platt (Amy Morton) the opportunity to partner up with Roman (Brian Geraghty).

After Detective Sanchez's brother is shot, the entire squad will not rest until they find the culprit. The investigation is jeopardized by an overzealous detective and a leak within the department. KEVIN BACON directs the episode.

Chief Boden (Eamonn Walker) confronts Maddox (guest star Mark Hengst), believing he is the hand behind Serena's (guest star Ilfenesh Hadera) accusations intended to skew Boden's credibility from the approaching trial. Severide (Taylor Kinney) reaches out to Jamie (guest star Rachel Nichols), Maddox's lawyer, in an effort to help out and Capt. Patterson (guest star Brian White) questions Boden's ability to remain Chief. Meanwhile, Brett (Kara Killmer) and Chili (Dora Madison) discover a man passed out in a garden that may have a connection to a call from a previous crash site and Otis looks to fill up his social calendar, but the situation hits a bump in the road.

The Connors are on alert after their house is robbed. One Terminator terrorizes Ellison, while another gets dangerously close to John. Derek and Jesse continue to get reacquainted.