Patterson fills in for Boden, who's trying to clear his name. Severide learns where Serena may be hiding. Herrmann and Otis give Freddie a job that keeps him close by. Jimmy and Chili draw more attention then either bargained for.

Anne Lockhart, Chandra Michaels, Ilfenesh Hadera, Jon Seda, Melissa Ponzio, Rachel Nichols, Ralph Rodriguez