Lily Moore fled to Spain to get away from her troubled, drug-addicted younger sister, Claudia. When Claudia is found dead in a bathtub on the anniversary of their mother's suicide, Lily must return to New York to deal with the aftermath.

The situation shifts from tragic to baffling when the body at the morgue turns out to be that of a stranger who had been using Claudia's identity. The real Claudia had vanished months earlier, reappearing briefly on the day the impostor died. As Claudia transforms from victim to suspect in the eyes of the police, Lily becomes determined to find her before they do.

Is Claudia actually missing or is she playing an elaborate con game? And who's responsible for the body in the tub? Determined to learn the truth at any cost, Lily is unprepared for the terrible toll it will take on her and those she loves.