Cassie Newport awakes to find she is the latest victim of Thomas, a sadistic member of the Union. When other members of the Union discover that Thomas' head has been ripped from his body, the hunt is on for Cassie. DCI Jack Monday is making little headway in discovering the gang responsible for mutilating and killing three young women. With Cassie he has a surviving victim and a route to the killers, but she refuses to say how she escaped, or how Thomas was killed. He knows she's hiding something. Cassie holds a dark secret. Her father's biogenetic creations still live in the ruins of the Newport Mansion. When Cassie leads the Union and the police to the mansion inside Big Wood, they rue the day they ever heard of Cassie Newport, Mr Chocolate and the uncontrollable beast within...