Caitlin Carver

Det. Pryma’s case comes to an explosive end with Kidd and Carver’s lives in danger. Brett installs an infant Safe Surrender Box at 51. Violet is determined to take Emma down.

Severide struggles with the cost of helping Det. Pryma with the Martucci case. Gallo campaigns for Herrmann to represent 51 at the National Firefighter’s Association’s Winter Conference. A familiar face makes a shocking return.

Rayna begins to settle into the tour when she discovers that Deacon has joined Juliette's band on the road, and she can't help but think that maybe the time has come to make some hard decisions. But will a heart to heart with Deacon help ease the sting of the revelation? Meanwhile Juliette is tired of her bubble gum pop success and is interested in exposing who she really is, though her team is convinced that will damage her commercial success. And Scarlett is counting pennies to keep her head above water -- until Gunnar makes her an offer she can't refuse.

Firehouse 51 prepares for their semi-annual firehouse inspection. Brett fights to save her paramedicine program. Commander Martin Pearce asks Severide for a favor.