The firehouse crew go to the scene of a railroad accident; Boden must make a big decision about his future; Severide learns more about the woman he saw with his father; Shay and Dawson continue to butt heads.
Cookie calls in a favour to have mega-superstar Kitty record a new song with Jamal, hoping he will overcome his inability to perform. Andre finds trouble while Hakeem and Gram compete for Tiana's attention.