During World War II, a Royal Artillery officer is assigned to an anti-aircraft battery that is filled with female soldiers of the Auxiliary Territorial Service. His wife who has enlisted is mistakenly posted to the battery in violation of regulations of husbands and wives serving together in the same formation. She becomes jealous of what she perceives as him paying too much attention to the other Auxiliary Territorial Service women.

The story revolves around the Dinky Doos, a provincial musical troupe living from hand to mouth.