A mother is stabbed to death in a children dance recital. Jane investigates the two mothers that hated her the most but they both have alibis. The husband is also clean. Maura notices massive plastic surgeries. After some digging, Jane has a hunch that she was in the witness protection. They discover her sister was too, and find her dead after being tortured. They discover the mexican drug dealer ex was the one who killed her. Korsak gets the shock of his life when Joshua, the son that Melody took away from him, is accused of shooting a cop.