On Chicago Fire Season 4 Episode 13, the team responds to a mass shooting, Casey investigates the missing money from the fundraiser, and Jimmy agrees to represent the firehouse in a boxing match.

On Chicago Fire Season 4 Episode 12, Dawson and Brett face repercussions for telling Boden about Chili and Freddie’s father begs Herrmann to forgive his son.

On Chicago Fire Season 4 Episode 11, Severide helps a Department of Homeland Security agent while Brett reports Chilli to Boden when she makes a major mistake.

On Chicago Fire Season 4 Episode 10, squad members gather at Chicago Med after one of their own is attacked and Cruz works with Chicago P.D. to find Freddie.

On Chicago Fire Season 4 Episode 9, Severide hunts down Serena, Jimmy and Chili draw attention they don’t want, and Patterson fills in for Boden.

On Chicago Fire Season 4 Episode 8, Patterson questions whether Boden can remain chief while Boden believes Maddox is behind Serena’s accusations.

Severide learns information about Patterson that could be a game changer while romance blossoms at a fire department gala on a brand new Chicago Fire.

On Chicago Fire Season 4 Episode 5, the team responds to an accident that involves an 18-wheeler and Boden’s new neighbor asks him for a favor.

On Chicago Fire Season 4 Episode 5, Chief Riddle isn’t happy when Boden offers to host a wedding at the firehouse after a fire destroys the original location.

On Chicago Fire Season 4 Episode 4, Severide digs deep into the arson investigation while squad members come together to support one of their own.