A brutal murder of a tribal girl, whose body was found naked and mutilated, shocks the community. The only witness is a mysterious spirit known as “Prai Kanya.” A team of investigators—led by Dr. Sophon and his group—sets out to uncover the truth. They seek help from a former monk who once encountered the spirit, but he refuses to return to the forest. Instead, his daughter, who is secretly in love, insists on guiding them into the jungle. As they enter deeper into the forest, the spirit begins to reveal itself. Strange phenomena, fear, and death follow them, causing members of the group to die one by one. Eventually, Prai Kanya encounters one of the group and tries to make him remember their past connection—hinting that she was once his lover in a previous life. However, before the truth can fully unfold, he is taken away by the spirit. Now, the young woman must decide whether she can stop the spirit and bring him back—or if he will be lost to the forest forever.