While Sergeant John Tyree is home on two weeks leave from Germany, he meets Savannah after he dives into the ocean to retrieve Savannah's purse that had fallen off a pier. John eventually falls in love with Savannah, who promises to write to him until he returns from overseas.
Buddy Amaral, a successful and self-absorbed Los Angeles advertising executive, switches airline tickets with a stranger just before boarding a long-delayed flight so that he might enjoy an overnight fling with a pretty Dallas businesswoman. When the plane goes down, killing all aboard, Buddy's guilt soon turns into an alcohol problem. As part of his 12-step program, Buddy seeks atonement and decides to seek out the woman he thinks he's left a widow.
After marrying an American lieutenant with whom he was assigned to work in post-war Germany, a French captain attempts to find a way to accompany her back to the States under the terms of the War Bride Act.