Five years ago both Bai Jin Xi and Han Chen loses their memory. A serial rapist on the loose forces the two to work together to solve the case. The expertise and skills of Bai Jin Xi are acknowledged by the Chief constable of the department Han Chen works for and the two, along with Jinxi’s co-worker Xiao Zhu An, Cold Face and Prate, form a team of highly skilled detectives calledthe Black Shield team. As season 1 draws to an end, T, a killer who has a penchant for the most extreme form of punishment, leads the police in an elaborate chase, which ends up with Jin Xi and Han Chen participating in a game T has set up for them. With poor weather, no map and 8 other participants, who are determined to hide a secret from them, the odds are stacked against them to find out who T is and his deadly motive for organizing this setup. Will Jin Xi and Han Chen be able to successfully rescue everyone? Or will they simply play into the hands of T?