The quiet village of Bramley End is taken over by German troops posing as Royal Engineers. Their task is to disrupt England's radar network in preparation for a full scale German invasion. Once the villagers discover the true identity of the troops, they do whatever they can to thwart the Nazis plans.

• Ealing Studios
• Leslie Banks
• Elizabeth Allan
• Frank Lawton
• Basil Sydney
• Valerie Taylor
• Mervyn Johns
• Edward Rigby
• Marie Lohr