Who could have killed a young woman in Stockholm by locking her in a box and stabbing her with swords? The police, who made this horrifying discovery, initially believe it was the result of a failed magic trick. So officer Mina Dabiri brings in Vincent Walder, a well-known mentalist, illusionist, and master of psychological experiments, to assist with the investigation. Vincent is well acquainted with the world of tricks, and Mina hopes he can create a profile of the killer. But, like Mina, Vincent doesn’t get along well with people, and cooperation goes poorly. Meanwhile, another mysterious murder occurs. It seems a maniac who imitates famous deadly stunts has appeared in Stockholm…