It's the early twentieth century American Midwest. A con man, currently going by the assumed name Harold Hill, has used several different schemes to bilk the unsuspecting, he now traveling from town to town pretending to be a professor of music - Gary (Indiana) Conservatory of Music, class of '05 - being able to solve all the respective towns' youth problems by forming a boys' marching band. He takes money from the townsfolk to buy instruments, music, instructional materials and uniforms for...

With their father away fighting in the Civil War, Jo, Meg, Beth and Amy grow up with their mother in somewhat reduced circumstances. They are a close family who inevitably have their squabbles and tragedies. But the bond holds even when, later, men friends start to become a part of the household.

The sisters 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 championship. A group of stereotypical incompetent monks tries to stop them.

Sister Act is about a Reno lounge singer named Deloris Van Cartier who witnesses her mobster boyfriend killing an employee. She is then hidden in a convent under a witness protection program. She soon makes friends with the nuns, especially Sister Mary Robert, Sister Mary Lazarus and Sister Mary Patrick. After the Mother Superior catches Deloris going out to a bar in the night followed by Mary Robert and Mary Patrick, she orders her to join the church choir. Only to find her coaching the choir...

Having left the Army following W.W.II, Bob Wallace and Phil Davis team up to become a top song-and-dance act. Davis plays matchmaker and introduces Wallace to a pair of beautiful sisters (Betty and Judy) who also have a song-and-dance act. When Betty and Judy travel to a Vermont lodge to perform a Christmas show, Wallace and Davis follow, only to find their former commander, General Waverly, as the lodge owner. A series of romantic mix-ups ensue as the performers try to help the General.