Mr. Kite, the mayor of the city of Heartland, a small All-American town tells the story of Sgt. Pepper's Lonely Heart's Club Band, who returned home heroes after WWI. After the orignal Sargent dies, his grandson, Billy Shears and his friends, the Henderson brothers inhearit the band, but after they go to Hollywood and are coruptted by fame and money, they must return to Heartland, to save it from the evil Mr. Mustard and his henchmen. Celebrity cameos and Beatles songs galore!