In a village where snake-catching is the livelihood of most of the local populace, a magical tree grew. Because of the tree’s benevolence, it saved one small snake from the villagers and named it “Little Flower”. Many years later, Xiao Shu has become a biological researcher, exploring the secrets of genes. Unfortunately, his colleagues with ulterior motives use the power of the magical tree to break into a forbidden area by ​​the snake-catching village: the island where intruders are eaten alive. The island is filled with moisture, quietness and weirdness, and it seems there are eyes everywhere; staring at every move made by intruders…