Katelynn Shennett

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.

Casey makes a life-altering decision; Gallo, Ritter and Violet agree to an interview and photo shoot; Brett and Mouch launch the paramedicine program; Cruz comes closer to fatherhood.

A major security breach in the city's computer networks forces Firehouse 51's senior leaders to take matters into their own hands; Severide gears up for an arson investigation.

Firehouse 51 must band together when one of their own is taken hostage.

Severide and Kidd work with CPD regarding a suspicious car wreck; Hawkins and Violet's relationship is in jeopardy; Chloe and Cruz adjust to a new family dynamic.

Firehouse 51 deals with the aftermath of the capsized boat rescue; Gallo, Ritter and Violet discuss plans for a side gig.