Emerson Graham's nights as a cab driver are filled with annoyances and inconveniences, but until tonight, never attacks and disappearances. After picking up a mysterious passenger her evening goes from working a job to perform...

女主角总是凭着冲动行事，她和一个与自己丈夫极其相像的性感陌生人享受着短暂的欲缘，可是不久她便发现这个欲念发泄的对象是个发狂、固执并有强烈控制欲的精神病患者。