Brian Plocharczyk

Voight and the team work together to uncover the truth of the Bell case before more lives are lost.

Severide finds that he shares a familiar past with Eric Whaley, the Lieutenant who was brought into the firehouse to help out. Dawson lets Shay in on her secret, while Casey deals with family issues. Meanwhile, a bad batch of heroin on the streets has Boden and the team scrambling, while Clarice and Shay find they have a new problem to overcome.

After learning the school fire wasn't an accident, Chief Boden (Eamonn Walker) turns up the pressure on Severide (Taylor Kinney) and Casey (Jesse Spenser) to investigate the cause of the fire that trapped his wife. Fueled by a competitive bet against Firehouse 87, Mouch (Christian Stolte) pushes all of the wrong buttons in his need to win the competitive challenge known as the firefighter muster. Meanwhile, as Kidd (Miranda Rae Mayo) settles into her new living arrangement, her unresolved feelings prompt her to question the intentions of newcomer Hope (guest star Eloise Mumford).

Carver deals with the fallout of his arrest. Brett searches for closure with the baby she rescued. Capp weasels his way into the Firehouse 51 group chat.