Lahti Miller is one of the best undercover cops in San Diego until the day she's captured, raped, and tortured by three men, all of whom manage to escape. As she attempts to recover from the event and cope with the return of her previous personality, Gen, Lahti remembers a childhood of abuse at the hands of her already imprisoned father. Lahti and Gen have one body but two minds, and their journey to recover is difficult physically and emotionally. But worse than that, the criminals attack again through her best friend. Now Gen, the personality in charge, is forced to deal with her friend as a hostage. It doesn't go well.