In a quiet suburban neighborhood during World War II, the lives of the residents take an unexpected turn when a wave of Nazi espionage is unleashed. The story follows Tom and Mary, a couple who, like many in their community, take pride in contributing to the war effort by organizing activities and recruitment campaigns. However, things become complicated when their teenage son, who is curiously interested in photography, uncovers a spy plot when he encounters a mysterious man who seems to be lurking.
As Tom becomes involved in the local defense committee, friends and neighbors begin to exhibit strange behaviors. Paranoia sets in as the group starts to suspect that there is an infiltrator among them. As tensions rise, the young boy becomes an unlikely hero, trying to unmask the spy before he can carry out his nefarious plans.
With a mix of comedy and action, the film showcases the determination and bravery of a united community, ready to protect their home from the threat. Family love and patriotism intertwine in this heartfelt story that seeks to reaffirm faith in resilience and courage in dark times. In the end, the residents of the neighborhood learn that defense is not only about weapons and confrontations, but also about unity and mutual support.