Daniel Kyri

Vasquez fights to prove himself at 51; Violet and Novak pursue a troubling mystery; Herrmann is on a quest to keep Molly's profitable.

The mattress factory fire spirals out of control. Truck and squad lay it on the line in hopes of getting the trapped victims out alive.

A rare but deadly bacteria takes its toll on numerous victims around the city, leaving Chicago's finest first responders to work together alongside the CDC to resolve the dangerous situation. Severide suspects something bigger is happening.

Brett and Foster question the suspicious circumstances surrounding an attack at a juvenile detention centre. A convoluted new technology at Firehouse 51 tests everybody's patience and Kidd is chosen to represent the district at a leadership conference.

Firehouse 51 responds to a massive freeway accident that impacts someone close to them. Then, Foster runs into a face from her past.

Casey further investigates a motorcycle accident at the request of the victim's son. Meanwhile, Kidd, Foster, and Brett bond while helping Kidd fix a mistake, and Mouch and Otis have a falling out after Otis' teasing hits a sore spot.