Claude Wheeler is the son of a successful Nebraskan farmer and a very devout mother. He’s sent to a private religious college because his mother feels it’s safer, but he yearns for State college where he might be able expand his knowledge of the real world. Claude doesn’t feel comfortable in any situation, and almost every step he takes is a wrong one. While he’s struggling to find his way in a questionable marriage, the U.S. decides to enter World War I, and Claude enlists. He’s commissioned as a lieutenant, and he and his outfit are deployed to France in the waning months of the war. There Claude finds the purpose he’s been missing his whole life.