"Under Two Flags" by Ouida is a novel published in 1867. An English aristocrat, facing financial ruin and falsely accused of forgery, fakes his death to protect his brother and a lady's honor. He flees to Algeria, joining a French military regiment under an assumed identity. There, amid the desert campaigns, he encounters figures from his past, including a devoted young woman called Cigarette. Through melodramatic sacrifices and revelations, the story weaves themes of honor, exile, and redemption across two continents. (This is an automatically generated summary.)