The Thames river police try to track down smugglers.

The fisherman from a Cornish village have a friendly rivalry with the fishermen (and one formidable woman) from a French port. Then war comes and they must all rethink their petty differences.

When Celia Crowson is called up for war service, she hopes for a glamorous job in one of the services, but as a single girl, she is directed into a factory making aircraft parts. Here she meets other girls from all different walks of life and begins a relationship with a young airman.

George and Katherine plan to marry but war breaks out. When he returns on two weeks leave, but has his marriage proposal put down by Katherine, George enters a relationship with another woman.

'Old gent fools flirt by posing as automatic doll.' (British Film Catalogue)