The sister come back to Delores's show to get her back as Sister Mary Clarence to teach music to a group of students in their parochial school which is doomed for closure. One of the girls, who is the most talented of the bunch, is forbidden to sing by her mother, although the choir has made it to the state championhip. A group of stereotypical incompetent monks tries to stop them.

Los Rees is now a red singer in Las Vegas . At this time, the sisters come to ask for her help. Originally, they were transferred to a community church schools to serve children's rebellious behavior , and church -style old-fashioned education , fire and water can hardly contain contradictions . The abbot de los Rees can to help them . Enthusiastic los Rees promised them.