A remake of Oswald Mitchell's own 1934 production, a story of Jayne Kaye (Ann Todd), a successful singer in America who returns to Britain during the Blitz to find her ex-husband and son who have fallen on hard times.

Home guardsman Albert is in love with Dolly, the daughter of commanding officer Diehard. In order to impress her, Albert tries to raise funds to buy a tank for the village.

Boat building father and son join the river patrol service and get caught-up in a spy ring.