Frederic Henry is a young American ambulance driver serving in the Italian army during World War I.
upon his return to the front, Henry meets Catherine Barkley, an English nurse’s aide at the nearby British hospital and the love interest of his friend Rinaldi.
When Henry is wounded on the battlefield, he is brought to a hospital in Milan to recover. Catherine has been transferred to Milan and begins his recuperation under her care.
Henry leg healed and he was granted 3 weeks convalescence leave, after which he is scheduled to return to the front. He tries to plan a trip with Catherine, who reveals to him that she is pregnant. The superintendent of the hospital revoked his leave hecause she though he was ignoring his duties.
Henry and his drivers are along a street when they get bombarded with German Troops. Some of his men died that day and Henry knew he was going to get captured. So, he swam in the river and became a deserter
Henry runs to Catherine and they flee to Switzerland. They settle happily in a lovely alpine town called Montreux and agree to put the war behind them forever. Catherine goes into labor. The delivery is exceptionally painful and complicated. Catherine delivers a stillborn baby boy and, later that night, dies of a hemorrhage.