In a world where the living pay a heavy price for the sins of the dead, a young woman, Lillian Elmes, finds herself drawn to the enigmatic and feared Sin-Eater, Daniel Carver. Haunted by a mysterious incident from her childhood and the whispers that only she can hear, Lillian is determined to uncover the truth about the Sin-Eaters and the darkness that seems to follow them. But venturing into Daniel's world means confronting not only the village's deep-seated fear and superstition but also the unsettling connection she feels to the man they call the Devil.