A roving bachelor gets saddled with three children and a wealth of trouble when the youngsters stumble upon a huge gold nugget. They join forces with two bumbling outlaws to fend off the greedy townspeople and soon find themselves facing a surly gang of sharpshooters.

It is the dawn of World War III. In mid-western America, a group of teenagers band together to defend their town, and their country, from invading Soviet forces.