Tim Hopper

Severide is forced to crack open a cold case buried for decades. A routine call hits too close to home for Novak.

Severide is forced to overcome obstacles at the firehouse. Cruz finds himself at a loss amid the new changes in his family.

When an expensive portrait is stolen from a young woman, Peter and Neal set a sting for the cunning and deadly culprit. Neal must uncover the secret truth of the portrait’s origin even as the net tightens around the villain – and around Neal himself!

Izzie faces her past and finds comfort in George, while Alex becomes more attached to Jane Doe (Elizabeth Reaser), Meredith and Derek question their own status, and Cristina resolves to fight for her relationship with Burke -- despite her past with Colin Marlow (Roger Rees).

A member of the Firehouse 51 family remains in peril. Cruz lends a hand to Severide in the ongoing investigation.

Severide investigates a suspicious high school fire. Novak gets an unexpected call. Violet brings a 51 firefighter onboard the ambulance for a shift.