On Chicago Fire Season 9 Episode 16, the firehouse reacts to some exciting news, a mysterious stranger arrives and a shocking call takes Severide’s breath away.

Severide and Casey try to find the best fit for Kidd. Ritter, Gallo, and Violet help plan an event for Mouch.

On Chicago Fire Season 9 Episode 14, a fire breaks out at a pet food factory and the annual garage sale takes place at 51 and everyone is on edge.

A mysterious caller who is in danger relies on Kidd to help save her and her brother.

While Mouch makes an incredible save, all eyes are on a mystery man who helped save his neighbor. Casey worries about his future.

A new recruit tests Serveride’s patience. Violet receives a mysterious note that sends her and Brett on a hunt for the person behind it.

A series of suspicious fires sends 51 on a search for the cause. Casey continues down a troubling path.

A nasty blow to the head brings Casey unimaginable pain, while Mouch, Gallo, Ritter, and Mackey report for training.

A call to a familiar location brings back mixed emotions for Severide, while Casey is not thrilled with Herrmann’s replacement.

A fire at a homeless encampment leaves Severide and Casey searching for answers, while Cruz is shaken up after a close call.