Cruz puts himself and his fellow firefighters in jeopardy as a building's roof collapses after he was told not to enter to save a trapped dog. Casey wants Cruz's badge. When Mouch finally gets the truth out of Cruz, he vouches for him and Casey allows Cruz to keep his job. Severide finally gets through to his ex-fiancée Renée after she is released from a psychiatric ward. Casey and his sister Christie's constant bickering forces their mother move out. A lawyer tells Shay and Clarice that they need their own place to gain custody of the baby. Shay finds a place, but Clarice tells her that she has made a deal with her ex-husband about split-custody. The catch: Clarice must move to New York with them and they must leave that night.