After being rejected from the police college, a mannerly man travels to Bangkok where he and an energetic distant relative must solve a murder case.

Driven by the desire for the huge reward, Tang Ren (by Wang Baoqiang) tricked Qin Feng (by Liu Haoran) to New York, to attend the World Detective Contest,. Later on, behind the crazy competition, Qin and Tang discovered the real hidden facts of this contest.