A young girl tormented by the tragedies of her past is brought in for questioning by the police over the death of a man, who she claims to be a demon. Detective Beckett realizes this is the same girl he made a broken promise to seven years ago that he'd find the monster that raped and murdered her 12 year old sister.

Andy and Maggie, a young Irish couple, travel to England as the result of an unplanned pregnancy, where Maggie will face the biggest decision of her life.

On the hunt to find the pieces of a medallion that can end the demonic control over Earth, Taryn is forced to go through time to save the future.