"Slip" is the story of Sarah, a young woman who witnessed her mother's murder as a child. Now grown, Sarah is haunted by her mother's memory, her restless soul, opening a gateway for the spirits of the recently departed. Sarah is compelled to do their bidding so their souls may rest in peace. One of these souls leads her to Cal, a young car thief who is one car away from going legit. Unfortunately, Cal is wrongfully accused of stealing from his partners and now they want him dead.Sarah, drawn by the spirit of Cal's murdered nephew, becomes an avenging angel, awakening a dark spirit of her past while risking all to save a total stranger. Now in a race for their lives as well as their souls, Cal and Sarah soon discover that there are far more fearsome things than men with guns.

Sarah ist anders. Ein Racheengel für jene, die vor ihrem Tod noch eine Rechnung offen hatten. Als das Schicksal sie mit dem Autodieb Cal zusammenbringt, müssen beide bald um ihr Leben rennen. Denn nicht nur Cals brutale Geschäftspartner sind ihnen auf den Fersen. Aus Sarahs Vergangenheit steigt etwas Unmenschliches und Böses herauf, weit schlimmer als Gangster mit grossen Knarren.