Niracha arrives in a remote village to work as a teacher, only to find the locals gripped by fear. Men have been mysteriously falling unconscious, and no one dares step outside after dark. The villagers blame the ghost of a widow—but Niracha doesn’t believe in such things.

She meets Thodsanon, an engineer sent to survey a path to the nearby waterfall. But the villagers warn him it’s dangerous—one man was found dead there under mysterious circumstances.

Tension rises with the arrival of Prangthip, a beautiful and enigmatic woman. Strange cries echo from her house at night, fueling suspicion. As Prangthip grows close to Thodsanon, gossip spreads—especially from Nethmaya, who secretly loves him. Desperate to uncover the truth, Nethmaya turns to dark magic to find out if Prangthip is even human.