After a demonstration of new PT boats, navy brass are still unconvinced of their viability in combat, leaving Lt. "Rusty" Ryan frustrated. After the attack on Pearl Harbor, however, Ryan and his buddy Lt. Brickley are told they can finally take their squadron into battle. The PT boats quickly prove their worth, successfully shooting down Japanese planes, relaying messages between islands, and picking off a multitude of enemy ships.
Pat Pemberton is a brilliant athlete, except when her domineering fiancé is around. The ladies golf championship is in her reach until she gets flustered by his presence at the final holes. He wants them to get married and forget the whole thing, but she cannot give up on herself that easily. She enlists the help of Mike Conovan, a slightly shady sports promoter. Together they face mobsters, a jealous boxer, and a growing mutual attraction.
When a band of American Indians breaks a treaty with the federal government, U.S. Marshals Ken Maynard and Hoot Gibson hit the trail with captured outlaw Duke Dillon (Jack La Rue) to find out what sparked the uprising. They discover clues that point to corrupt Indian agent John Hampton (Kenneth Harlan), but meanwhile, the bandit Dillon pulls a fast one on the marshals, and soon everybody's getting ready for a showdown.
