On a call with Station 37, a firefighter is struck by a power line and decides to lash out after her injury.

Brett is visited by Scott and Amelia.

Violet gets a surprise envelope.

The rest of 51 enters a contest.

Air Date: Wednesday, Jan. 12 (09:00PM – 10:00PM) on NBC. 

NUP_196177_00156.JPG

Picture 4 of 24

CHICAGO FIRE -- "Fog of War" Episode 1010 -- Pictured: Taylor Kinney as Kelly Severide -- (Photo by: Adrian Burrows Sr/NBC)