Chanachol (Shahkrit Yamnarm), a wealthy Thai businessman who recently returned to Thailand after living abroad, takes a cultural tour to reconnect with his heritage. He meets Mekhala (Karnpitchar Ketmanee), a beautiful, free-spirited tour guide who lives in an old traditional Thai house in Suphanburi. A passionate physical attraction erupts between them, leading to an intense affair. However, Chanachol is legally married with a family in Bangkok. Furthermore, Mekhala harbors a dark, supernatural secret: she shares a mysterious, protective bond with a giant, jealous cobra that viciously attacks any man who tries to claim her.