Six vibrant youth, meet to a play area to play, Shihong and jade family as a loving couple, two people say ** for the introduction of male and female colleagues, so they were matched Di, Ami, Xiaobo and Achi , Six people in the park to play very happy, who knows the park leader Liting is a mental abnormality, six young people were killed in the game, the original pleasant journey has become a terrible tragedy.