Aimee Laurence

Laurie's resolve is put to the test in the wake of a brutal hate crime. After his latest initiatives to maintain the peace fall short, Kevin turns down an outside offer to rid the town of its problems. Matt brings his pulpit to the street, and Meg takes on a new role.

Firehouse 51 joins forces with the Chicago Police Department to combat a massive explosion that leaves the city in carnage and one of the crew missing.

This episode concludes a story that began on `Chicago Fire' in which a huge charity run is targeted by bombers.

The Intelligence unit bands together to help find the perpetrator when Burgess' sister is brutally assaulted. Burgess and Erin Lindsay head undercover to try and draw out the suspects.

The investigation leads Intelligence to one of Chicago's wealthiest families after a nighttime photographer is murdered over a piece of mysterious footage. Burgess' sister Nicole visits the district and presents an icy attitude toward Ruzek.