Theo realizes there is an uptick of fires in his old neighborhood and finds himself returning. At the clinic, Sullivan greets a patient with a large chest burn. Carina treats a pregnant patient who presents her with an offer. 

The team is forced to make a risky call that could cost them dearly after Tomás' barbershop catches fire. Diane drops by the station and is called back into action alongside Vic and Carina. Beckett makes a decision about his future.