An American movie company wants to shoot a science-fiction film using a British army barracks as a location, and its soldiers as actors.

Flirtatious mermaid Miranda swaps places with a schoolteacher who has gone on holiday. All is well until she falls in love with a human.

A scientist invents a pill to cure smokers of their nicotine addiction. However, when he makes his discovery public, he encounters strong resistance...

A newly-arrived army chaplain is put in charge of camp entertainment and has the idea of putting on a Brains Trust with local notables. Unfortunately...

At the outbreak of WWII the British realise they can't prevent the invasion of the Channel Islands. However, someone realises that a prize cow is on...