In Boothillville at the No Chance Saloon, the Three Stooges play a piano. They ask for requests, and a cowboy says to get out of town.

Jimmy, the owner of a failed music shop, goes to work with his uncle, the owner of a food factory. Before he gets there, he befriends an Irish family who happens to be his uncle’s worst enemy because of their love for music and in-house band who constantly practices. Soon, Jimmy finds himself trying to help the band by getting them gigs and trying to reconcile the family with his uncle.

Set free by the Teen Angels from his prehistoric block of glacier ice, comes the world's first superhero, Captain Caveman!