Daffy Fernald loses her brother's toy rocket when it flies into a storm drain. She knows Alvin will be upset if he finds out, so she climbs into the dark tunnel to search for it. She spots a stranger, Ernie Nelson, and sees that he's carying a gun. She races home and tells Alvin, but the would-be inventor refuses to believe her.
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.
J.D. Cahill is the toughest U.S. Marshal they've got, just the sound of his name makes bad guys stop in their tracks, so when his two young boy's want to get his attention they decide to rob a bank. They end up getting more than they bargained for.
When his cattlemen abandon him for the gold fields, rancher Wil Andersen is forced to take on a collection of young boys as his cowboys in order to get his herd to market in time to avoid financial disaster. The boys learn to do a man's job under Andersen's tutelage, however, neither he nor the boys know that a gang of cattle thieves is stalking them.