The dramatic story of US Marines in training, in combat, and in love, during World War II. The story centers on a major who guides the raw recruits from their training to combat.

During the Civil War, a Union spy, Andrews, is asked to lead a band of Union soldiers into the South so that they could destroy the railway system. However, things don't go as planned when the conductor of the train that they stole is on to them and is doing everything he can to stop them. Based on a true story.

Davy Crockett and his sidekick Georgie compete against boastful Mike Fink ("King of the River") in a boat race to New Orleans. Later, Davy and Georgie, allied with Fink, battle a group of river pirates trying to pass themselves off as Native Americans.