Policewoman Wang Wanbao IQ of 189, at Yong Chun, taekwondo and karate, is regarded as the police star. Behind the strong outlook, treasure or hide a young heart. And her boyfriend Peter Pan dating for seven years. Every year, we expect Peter will propose to her, but finally because Peter falls in love with a - mode leads to end up breaking up. Because of brokenhearted, treasure life will never fall into the abyss, a dead-alive person became a hundred-percent "only"! By the four surge in popularity - mode composed of "Yogurt" by members of the mysterious death threats, attacks on the injured assistant. The police sent to undercover identity Zhong Jiabao secretly survey the case...