In the 1970s on the Binlusai islands, a young mother is killed when she was running with her son run from an evil presence in an abandoned Roman Catholic leper colony. In the present day, a group of four young men and women are travelling to the island to take part in a survival game run by TV channel Search Planet headed by Chen Jiadong (Philip Keung). Also on the boat is the television presenter Stanley (Jessica Xu) and cameraman Ken (Shaun Tam). The eight people have been split into four pair...