Captain Maurice de Florimont, a French Army intelligence officer, is captured by Arab nationalists while on an espionage mission. His sweetheart Diane Duval is also taken prisoner. Both are tortured by Kassim Ben Ali, leader of the Arab nationalists, but they refuse to divulge any information. They are finally rescued by French troops who storm the fortress and kill Kassim.
An insane man first loves then grows to hate his neighbor, an old man whose penetrating gaze unnerves the insane man. He plans a perfect crime and executes it one night. The next day, two officers knock on the insane man's door, investigating a shriek heard in the night. The insane man invites them in, answers their questions, and submits to an examination of his eyes by one of the officers, who proclaims him innocent. The insane man invites them to stay and relax awhile, then regales them with his theories of crime. His heart begins to beat louder. Angles on the set are skewed to suggest the man's internal disarray.
Norma Talmadge plays a Mexican saloon singer, known as 'The Dove.' She is romanced by a young caballero and menaced by a Villa-like brute of a dictator, played by Noah Beery.
Celeste de Givray is renowned throughout Europe as the most beautiful and best-dressed model in all Paris. Her press agent DuPont concocts an attention-getting publicity scheme by having Celeste undergo cosmetic surgery, then unveiling her "new" face at a posh fashion show. But thanks to a delay in the surgery, DuPont is forced to hired a substitute for Celeste, a look-alike American girl named Lulu Dooley
