May and Nop are two young, successful professionals, apparently enjoying an idyllic marriage in Bangkok. Nop can't do enough for his wife, whose growing obsession with her career is increasingly evident. Persuading her to join him on a photography trip into a forest, May remains ambivalent while Nop wanders off - and fails to return. Panicked and remorseful May finally realises what she has lost. But then, Nop mysteriously reappears, having apparently undergone a profound and deeply unsettling change. A dark, suspenseful thriller that will keep you guessing right to the end.