A serial arsonist cold case is reopened when Lt. Severide finds a connection to a recent salon fire. Firehouse 51 celebrates a retirement party.

Holmes takes extreme measures to secure his return to New York when he leans on his father’s disreputable connections to aid his legal re-entry into the United States. Also, while…

While Cooper enlists Red on a case of personal importance, Ressler leads the Task Force on a mission to stop the resurgence of once-dormant murder-for-hire ring. Determined to find answers,…

Neri takes Piper on a wilderness retreat. Taystee tutors Pennsatucky. Suzanne tends to the chicken coop. Nicky has a difficult conversation with Red.

Green and Cassady investigate the death of a cop accidentally killed during a botched robbery which leads them to stolen photographs of a celebrity mother married to a player.