Blood Falls follows the story of Rachel, a young woman who agrees to take a housesitting job in a beautiful, secluded mansion while the wealthy owners are away. Rachel is excited about the opportunity and eager to spend time in the luxurious estate, but things take a sinister turn when she stumbles upon a hidden book of spells.
Curiosity getting the best of her, Rachel reads one of the spells aloud and suddenly finds herself plunged into a nightmare world where reality warps and bends in impossible ways. She is beset by terrifying visions and haunted by malevolent forces that seem determined to harm her.
As she struggles to make sense of what is happening to her, Rachel begins to question her own sanity. Is she truly experiencing supernatural phenomena? Or is this all just a manifestation of her own traumatic past?
As Rachel delves deeper into the mystery, she discovers a dark history surrounding the mansion and its former occupants. A family curse, a tragic love affair, and a vengeful ghost all play a part in the unrelenting nightmare that Rachel finds herself trapped in.
With time running out and the forces of darkness closing in, Rachel must confront her deepest fears if she hopes to survive the night and escape the curse of Blood Falls.