During World War I, American pilot John Lothbury joins the French Air Force. When his plane is shot down in combat, the French government reports that he was killed, but in fact he was captured and placed in a German POW camp. Meanwhile, back in the US, his brother has embezzled $10,000 from businessman Wallace Straker, and when he`s notified that his brother has been killed, blames the theft on him. John`s fiancé, in order to avoid a scandal, marries Straker but is still in love with John. John eventually escapes from the POW camp and makes his way back to the US. Complications ensue.