When their car breaks down, Dee, her boyfriend Luke, and his brother Mike walk through a winter storm to take refuge in a nearby deserted town called Purity Springs, but in the morning they see the town is populated with a deadly cult and find themselves at the mercy of the charismatic leader, Elijah Hawkins.

Bridget Sullivan, a maid in the Borden household, describes the events leading up to the murder of Andrew Borden and his second wife, and how the youngest daughter, Lizzie, was put on trial for the crime.