Kan Siu-Nam (Adam Cheng), due to the loss of his daughter Tansy, divorces his wife, Angela (Rebecca Chan).

As a spate of serial killings hits Hong Kong, Kan suspects that Ivan is related to the incidents.

Kan Siu-Nam (Adam Cheng) is a stage actor whose daughter, Tansy, was wrongly kidnapped more than 20 years ago.

When called upon to play the role of a convicted murderer who insists he is wronged, Kan discovers that he can use his skills to replicate the subject's psyche in his own mind and take on other people's persona within himself.

Ivan Cheung Sai-yin (Moses Chan) is a stage magician who has a dark past of his own, being involved in the kidnapping of Siu-Nam's daughter Tansy.