In the idyllic English village of Merton-cum-Middlewick, the residents are bracing themselves for imminent German invasion. But at the vicarage there are more pressing matters at hand.

 

Reverend Lionel Toop goes to the Parish concert leaving his wayward wife, ex-actress Penelope, to hold the fort. Five unexpected arrivals set in motion a dizzying series of mistaken identities, sending rumours and cassocks flying.