Charles Brice

Severide considers an interesting proposition from a former firefighter turned medical student; Casey and Dawson face hurdles trying to permanently adopt Louie; Otis persuades Herrmann to throw a centennial celebration for the bar.

Dawson and Casey face legal issues as they try to retain legal guardianship of Louie; Severide continues to look for a bone marrow procedure to help Anna; Brett opens up to Dawson.

Severide agrees to a bone marrow donation; Casey and Dawson attempt to find harmony at home; Otis and Mouch plan to create a PSA to encourage people to join the Chicago Fire Department.