When brothers Pedro and Jimi discover that a demonic infection has been festering in a nearby farmhouse, they attempt to evict the victim from their land. Failing to adhere to the proper rites of exorcism, their reckless actions inadvertently trigger an epidemic of possessions across their rural community.

A winter night. An isolated house in a small town. Two warring sides must join forces to survive an evil tied to one of the field's oldest legends.