Severide becomes obsessed with helping when one of 51's own is injured on Chicago Fire Season 8 Episode 20.

Casey deploys the firefighters during a call on Chicago Fire Season 8 Episode 20.

Mouch works the scene of an emergency on Chicago Fire Season 8 Episode 20.

Gallo helps on the scene of an incident on Chicago Fire Season 8 Episode 20.

Casey responds to a call where one of 51's own is injured on Chicago Fire Season 8 Episode 20.

Boden talks with Casey and Severide about a call on Chicago Fire Season 8 Episode 20.

When one of 51's own is injured on a call, Severide becomes obsessed with helping out on Chicago Fire Season 8 Episode 20.

Kidd encourages Kylie during a training exercise on Chicago Fire Season 8 Episode 20.

Kylie drags a dummy as part of a training exercise on Chicago Fire Season 8 Episode 20.

Kidd shares her concerns with Severide about one of her high school trainees on Chicago Fire Season 8 Episode 20.

Kidd talks to the junior firefighter recruits on Chicago Fire Season 8 Episode 20.

Kidd is concerned for one of her high school trainees on Chicago Fire Season 8 Episode 20.