Chanachol, a married man, begins an affair with Mekkala—a seductive, free-spirited woman who enjoys playing with hearts. Though they try to resist, their connection runs deep and the affair continues. His wife fights to save their marriage, but she’s not the only one. A mysterious pet cobra at Mekkala’s house also seems to sense the danger of their forbidden love and begins to act out. As passion, guilt, and fear collide, the line between desire and danger grows thin.