Best buddies Mickey, Donald and Goofy are small-time janitors with big dreams of becoming Musketeers. Their lives are turned upside down when Peg-leg Pete, captain of the Musketeers, and his sinister lieutenant Clarabelle use them in a dastardly plot to rid the kingdom of Princess Minnie — the only mouse standing in Pete’s way of the throne. Mickey, Donald and Goofy may not look like heroes, but they have a surprise for Pete.