Upon taking her vows to become a nun, Sister Sarah brainwashed, is abused and drugged into submission. Sister Sarah receives an email from God telling her to take. Equipped with God's will and a arsenal of big guns, she dispenses Judgment Day on her former tormentors. After the church hires the merciless bicycle gang the"Los Muertos" to track down and kill her that they soon understand that this sister is one lousy mother.