Have you had a client who drove you crazy because they made too many changes to their demand? Female artist Qiu Wang Yan is one of those poor workers. She suffers premature balding from the stress, and she has had enough.
Unable to get out of her contract without ruining her career, she decides to hire Zhong Feng, a professional killer, to get rid of her pesky client. But doing so, she has to sign a contract with him too, and he does not allow any change in demand. Thus, they embark on a journey of track down and kill the “real” client.