20 years before, a middle-aged man lost his way in the mysterious deep forest in the midnight. After several days, he came back to village. However, as some strange things happened in the village, villagers thought the man was haunted by ghosts. After 20 years, the man had become the boss of a small restaurant, but he was still immersed in his horrible memory 20 years before. Afterwards, many mysterious things happened one after another. Therefore , Feifan, an editor ,his girlfriend Shuya, a hypnotist and their friends decided to go to the forest and uncover the truth 20 years before, and the man acted as their guide . In the forest , they found they are surrounded by unfamiliar and horrible environment and meet many strange things. Besides, Feifan found his girlfriend Shuya change her attitude towards him. At last , the truth was uncovered. The film wants to show us that the life on the earth is in harmony with the life from outer space. The life from outer space appears in the film as a kind of supernatural force.