"To protect and serve" was the promise Charlie Jones vowed to live by. Determined to handle every situation her way resulted in her partner losing his life, and Charlie being suspended from her unit and eventually let go for good. Two years removed, the Mayor's daughter is missing. The infamous "Caz", who killed Charlie's partner, knows all but will only talk to one person, Charli Jones. In order to get reinstated, Charlie would have to work with a team that's quite different from what she's used to.