Gallo makes a split-second decision during a dangerous fire rescue leaving Casey steaming that his direct orders were not obeyed.

Herrmann and Cruz find themselves trapped inside a freight elevator with all communications cut off.

On Chicago Fire Season 9 Episode 4, when the firehouse is called to the site of a construction explosion, Gallo is forced to make a surprise rescue of one of their own.

A mishap on the aerial ladder in the midst of a fire rescue leaves Mouch shaken and questioning his abilities on Chicago Fire Season 9 Episode 3.

Brett and Mackey find their lives in peril, while Ritter puts himself in harm’s way during a harrowing call.

Firehouse 51 welcomes a new team member, while Boden’s suggestion to Kidd could have lasting repercussions.