Tim Hopper

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

The case of a 17-year-old rape victim (guest star Jenna Miller) takes a strange turn when her immediate family tries to keep the scandal quiet while they prepare a lawsuit.

Philip and Elizabeth’s troubled marriage is further tested when a mission to discredit a Polish pro-democracy leader reunites Philip with his old flame.

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

Elizabeth comes back from her injury and straight into what should have been a routine mission – but it goes awry, leaving her and Philip in fear not only for themselves but for their whole network… and family. Paige's suspicions have only grown in her mother's absence. Meanwhile, Stan continues to fall for the Russian agent who has started to play him.

One of Elizabeth's agents has key intel for sale, but she and Philip find themselves taking increasingly greater risks for what could well be a set-up. Meanwhile, Stan's pursuit of Directorate S suddenly begins to yield unexpected results.