Dr. Jenphitcha, a respected psychiatrist and devoted wife and mother, sees her perfect life crumble when she suspects her husband Athin of cheating. As she uncovers the truth about his affair with a young college student named Kate, betrayal drives her into a downward spiral. Caught in a tense game of cat and mouse, Jenphitcha begins to unravel—crossing lines she never thought she would, endangering those around her and risking everything she once held dear.