When HMS Scotia pays a visit to the French Riviera the officers throw a lavish party to celebrate the engagement of Captain Robert Randall to Jill Eaton a charming American girl among the guests are Mary Carlton Jills American friend and Antoinette a vivacious redhead However when the last shoreboat is deemed unseaworthy the girls are obliged to spend the night on ship A series of hilarious complications ensue as the officers attempt to keep the girls away from the beady eyes of Admiral Hewitt who chooses this very night to board the Scotia