In 1570, widowed Princess Ana de Mendoza becomes the love object of a deadly rivalry between her cousin Don Inigo, King Philip II of Spain and his secretary of state Antonio Perez.

A young doctor is determined to expose the killer when a surgeon is found stabbed to death in a hospital elevator.

Bob Sharkey, an instructor of would-be spies for the Allied Office of Strategic Services, becomes suspicious of one of the latest batch of students, Bill O'Connell, who is too good at espionage. His boss, Charles Gibson confirms that O'Connell is really a top German agent, but tells Sharkey to pass him, as they intend to feed the mole false information about the impending D-Day invasion.

Stranded in Africa, Chuck and his pal Fearless have comic versions of jungle adventures, featuring two attractive con-women.

During the Texas War of Independence of 1836 American frontiersman and pioneer Jim Bowie pleads for caution with the rebellious Texicans. They don't heed his advice since he's a Mexican citizen, married to the daughter of the Mexican vice-governor of the province and a friend to General Santa Anna since the days they had fought together for Mexico's independence. After serving as president for 22 years, Santa Anna has become too powerful and arrogant. He rules Mexico with an iron fist and he would not allow Texas to self-govern. Bowie sides with the Texans in their bid for independence and urges a cautious strategy, given Santa Anna's power and cunning. Despite the disagreement between the Texicans and Bowie regarding the right strategy they ask Bowie to lead them in a last-ditch stand, at Alamo, against General Santa Anna's numerically superior forces.

In the late 1930s, Sheilah Graham’s Hollywood column quickly becomes popular for its biting tone. At a party, she meets author F. Scott Fitzgerald, and the two begin a torrid affair. Scott laments that his writing has fallen out of fashion, and when he is fired from his screenwriting position, he begins drinking heavily. Soon his intrusive, volatile behavior threatens their relationship and Sheilah's career.

In the early days of daylight bombing raids over Germany, General Frank Savage must take command of a 'hard luck' bomber group. Much of the story deals with his struggle to whip his group into a disciplined fighting unit in spite of heavy losses, and withering attacks by German fighters over their targets.