This was Jerry Lewis’ answer to the classic Cinderella story. When his father dies, poor Fella is left at the mercy of his snobbish stepmother and her two no-good sons, Maximilian and Rupert. As he slaves away for his nasty step-family, Maximilian and Rupert attempt to find a treasure Fella’s father has supposedly hidden on the estate. Meanwhile, hoping to restore her dwindling fortunes, the stepmother plans a fancy ball in honor of the visiting Princess Charmein whom she hopes will marry Rupert. Eventually, Fella’s Fairy Godfather shows up to convince him that he has a shot at winning the Princess himself.

During World War II, Captain Cassidy and his crew of submariners are ordered into Tokyo Bay on a secret mission. They are to gather information in advance of the planned bombing of Tokyo. Along the way, the crew learn about each other as they face the enemy and some of them lose their lives.