A submarine newly commissioned is damaged in the opening days of WWII. A captain looking for a command insists he can get it to a dockyard and captain it. At the site he finds a stranded group of Army nurses and must take them aboard. How bad can it get? Trying to get a primer coat on the sub, they have to mix white and red in order to have enough. When forced to flee the dock during an air attack, they find themselves with the world's only pink submarine, with 5 women onboard.