For years, Ollie has illicitly helped the struggling residents of her North Dakota oil boomtown access Canadian health care and medication. When the authorities catch on, she plans to abandon her crusade, only to be dragged in even deeper after a desperate plea for help from her sister.

Fifteen years after conjuring an imaginary phantom known as Mercy Black, a repentant woman returns to her hometown to live with her sister and young nephew. But as Mercy continues to haunt her and the death count rises, she must face her deepest terror and discover the truth of her past before Mercy Black claims her nephew. Daniella Pineda, Austin Amelio, Elle LaMont, Miles Emmons, Lee Eddy, and Janeane Garofalo star in this terrifying story of regret, redemption, and the dark side of belief.