Synopsis：A snake -shaped monster appeared, and for a moment, the tongue was wrapped around the old fisherman and dragged him away; after a moment, a 18 -year -old girl -Xin Rui, her body mucus, scales on her face from time to time. High school student Fu Junhao found the girl Xin Rui and took her home. Since then, someone has disappeared on the island. Xin Rui and Fu Junhao found that there was a mysterious base in the underground of the island in the process of looking for the missing partner. The snake monsters appeared on the base base. What is the girl Xin Rui? What kind of connection with the monster? What is the truth? The kind Fu Junhao would not think that he would be involved in a huge disaster ...