When Dana Hughes comes into the station to report to Mickey that her estranged husband murdered two hookers three years earlier, they investigate, and when the young woman is beaten, Mickey blames herself because she warned the husband to stay away from his wife. As the case goes on, Dana brings in more and more evidence against Wayne, but what Mickey doesn't know is that someone is pulling all Dana's strings. After modeling for the cover of a local magazine, Ali considers a transfer to Ottawa, where she would be working in a joint American/Canadian anti-terrorist task force. Dan forms a partnership with his uncle so he and Vanessa can go with her, but Ali's mother's past is going to stand in her way. Nicco is forced into a meeting with department psychiatrist Leanne Walker in regards to the death of André, the pimp of a young hooker named Billie that Nicco had gotten involved with and helped clean up her life.