O'Toole must get Seaman Di Julio, who promised his parents he'd return to Brooklyn and run the family restaurant, to re-enlist in the navy. His plan: invite Papa Di Julio onboard the ship to see how indispensable his son is.
O'Toole begins receiving gifts from a secret admirer and in the beginning he's flattered. But the delivery of red dress makes him realize that the mystery man believes he is female.
Ensign Clifford Bender, a Congressman's son, arrives fresh from Annapolis and upsets the crew. He fills a notebook with infractions and is determined to find and shut down an on-board crap game.
After St. John accidentally ruins a French Caledonian doctor's Model T while repairing it, the Appleby crew disassembles it to transport it on the ship and reassemble and sell it in San Francisco.