Deanna Reed-Foster

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.

As Casey and Dawson try to find harmony at home, Louie's father throws a wrench into their family plans.

Casey and Dawson apply for permanent adoption of Louie, but encounter an obstacle. Severide receives an interesting proposition.

Firehouse 51 responds to a dangerous structure fire that leaves one of their own in jeopardy. Borelli confronts Boden about his brother's death.

Firehouse 51 responds to a building collapse where over a dozen victims are trapped inside the rubble. Meanwhile, Dawson continues with her battle to become a foster parent to Louie.

Dawson becomes attached to a boy she saves in a blaze. Meanwhile, Brett and Cruz try and convince Otis to get a blood test.