The Army nurses on Bataan need help badly, but when it arrives, it sure isn't what they expected. A motley crew, including a Southern belle, a waitress, and a stripper, show up. Many conflicts arise among these women who are thrown together in what is a desperate and ultimately hopeless situation.

During the start of the Pacific campaign in World War II, Lieutenant Janet Davidson is the head of a group of U.S. military nurses who are trapped behind enemy lines in the Philippines. Davidson tries to keep up the spirits of her staff, which includes Lieutenants Joan O'Doul and Olivia D'Arcy. They all seek to maintain a sense of normal life, including dating, while under constant danger as they tend to wounded soldiers.

Merchant Marine sailors Joe Rossi (Humphrey Bogart) and Steve Jarvis (Raymond Massey) are charged with getting a supply vessel to Russian allies as part of a sea convoy. When the group of ships comes under attack from a German U-boat, Rossi and Jarvis navigate through dangerous waters to evade Nazi naval forces. Though their mission across the Atlantic is extremely treacherous, they are motivated by the opportunity to strike back at the Germans, who sank one of their earlier ships.

Maisie becomes attached to a dirt-poor farmer and his family as they try to make ends meet joining hundreds of others digging for gold in a previously panned-out ghost town.

A couple struggle to find happiness after a whirlwind courtship.