The haunted Lambert family seeks to uncover the mysterious childhood secret that has left them dangerously connected to the spirit world.
Upon taking her vows to become a nun, Sister Sarah is abused, brainwashed and also drugged into submission by the corrupt clergy. On the verge of her own death from a lethal dose of drugs, Sister Sarah receives a message from God telling her to take vengeance on all those who did wrong to her. Armed with God's will and an arsenal of big guns, she dispenses Judgment Day on her former tormentors. When the church hires the merciless motorcycle gang "Los Muertos" to track down and to kill her they soon realize that this sister is one bad mother.
A family moves in to look after the Winchester mansion for a few months, and soon find themselves terrorized by vengeful spirits. With the help of a paranormal investigator they'll unravel the mystery of the house.