Charles Brice

A motorcycle club seeks McCall and the team's help in keeping a member out of prision by proving the illegal guns found in his van were planted.

Frank faces public backlash after an officer's body camera malfunctions during an altercation with a civilian. Meanwhile, Danny and Maria struggle to protect an informant after the U.S. Marshall's Service decides not to put him in Witness Protection, and Erin investigates an old friend's daughter's claim of rape at a prestigious university.

Lt. Casey (Jesse Spencer) and Dawson (Monica Raymund) apply for permanent adoption of Louie, but quickly discover a hurdle. Firefighter turned medical student Jeff Clarke (guests star Jeff Hephner) approaches Lt. Severide (Taylor Kinney) with an interesting proposition. With hopes of reinvigorating business at the bar, Otis convinces a skeptical Herrmann to throw a bash in celebration of the milestone 100th anniversary of Molly's, but not without complications.

Severide (Taylor Kinney) agrees to a bone marrow donation but a work accident throws everything into flux. Casey (Jesse Spencer) and Dawson (Monica Raymund) try to find harmony at home. Meanwhile, Otis (Yuri Sardarov) and Mouch (Christian Stolte) decide to film a PSA encouraging people to join the Chicago Fire Department but hit a creative wall in the process.

Dawson (Monica Raymund) and Casey (Jesse Spencer) deal with legal matters in hopes of remaining Louie's legal guardians. Severide (Taylor Kinney) continues in his efforts for a bone marrow procedure to help Anna (guest star Charlotte Sullivan), but when things don't go as planned, he finds himself slipping back into old habits. Meanwhile, Brett (Kara Killmer) opens up to Dawson and members of Firehouse 51 become competitive, much to the dismay of Chief Boden (Eamonn Walker).