A woman trying to put her criminal past behind her gets blackmailed into taking on a dangerous mission by a corrupt ex-cop when he kidnaps her daughter.

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 performing a quest as they must race against the clock to defeat a force of evil. The meter is running.