一位悲痛欲绝的女士被她的朋友们带到一个偏僻的小木屋度假放松心情，这群朋友担心着她随时会结束自己的生命。

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 p…