Without knowing his real name, the hospital attendant gives him the name of John Drake, and after he recovers he is sent back to the front. Meanwhile, Bob has gone to see Lucy, and tell him that her husband as more than likely deserted, hoping the disgrace will lead Lucy to divorcing Marbury, so that Bob can marry her. Lucy refuses to believe that of the man she married and rebuffs Bob. Marbury is assigned to an aerial unit. Over the next year, he distinguishes himself in combat, as well as becoming friends with Captain Peabody, and Alan Neville, who unbeknownst to them both, is his brother-in-law. On their next leave the three friends intend to go back to England and visit Neville's sister. However, on the next mission Alan is mortally wounded. Before he dies, he makes Marbury/Drake promise to visit his sister, and let her know how he died.
