The story of a writer named Kwanpilin (Roongrawee Borijindakul) who just finished her latest book, a story about a evil lizard. One day, on the way back to Bangkok, she buys an old, small wood box from a local villager and that's when the mystery begins. Kwanpilin comes face to face with strange illusions and a supernatural curse with lizards, but no one believes her. Her boyfriend, Vitool (Pete Thongchua) is a psychiatrist, suggests she go see a doctor for some help, but she refuses. Kwanpilin soon realizes something is threatening her life and starts to discover a way to stop it without knowing that she may be the cause of this mysterious evil.
泰國著名女作家關柏蓮出席在清邁舉行的記者會宣傳她的新作。逗留期間,她向當地一名山村老婦買入一個精緻的木盒以作紀念。自關柏蓮買入這個木盒後,奇怪的事件不斷纏繞著她,而且出現幻覺,經常覺得被蜥蝪侵襲,終日精神恍惚。即使經過她的男友屈醫生作詳細的腦部檢查,也沒有查出任何問題。雖然身邊的朋友皆懷疑關柏蓮撞邪,但一向不信邪魔鬼怪的屈醫生眼見女友的情況危急,決定親自徹查她得病的箇中原因,誓要救她出險境…