Jimmy Nicholas

Elizabeth must act quick after she learns that someone with ties to the Saudi government funded a terrorist bombing.

Kidd and Severide's honeymoon is interrupted by a dangerous person from their past; Kidd's former academy classmate joins Firehouse 51; Brett and Violet reflect on their relationships.

Javi spends a couple of shifts at Firehouse 51; Kidd and Carver work together to help Carver's former boss; as Hawkins and Violet's relationship blossoms, Gallo turns his attention elsewhere.

Chief Hawkins goes above and beyond to help Brett and Violet with a problem; Kidd pursues an open lieutenant position; a blast from the past asks Mouch and Herrmann for a favour.

Boden, Kidd and Severide work together to protect one of their own; at the Fire Academy, Herrmann meets an inspiring young man; talk of the annual CFD Gala dominates the firehouse.

Kidd recruits Carver, Capp and Tony to help prepare her new lieutenant's quarters; Severide and Det. Pryma reluctantly pair up to work a police investigation; Firehouse 51 comes together to fight a movie theatre fire.