In 1965 Los Angeles, a widowed mother and her two daughters add a new stunt to bolster their séance scam business and unwittingly invite authentic evil into their home. When the youngest daughter is overtaken by the merciless spirit, this small family confronts unthinkable fears to save her and send her possessor back to the other side.

When psychic Elise Rainier reluctantly agrees to help a teen contact her deceased mother, she unwittingly unleashes a demon that torments the girl.