Russia, 1835. Lieutenant Hermann, a compulsive gambler, is fascinated by an infallible martingale held by Countess Tomski, nicknamed The Queen of Spades. The day Hermann wants to wring the secret from her, the countess dies of fear. Following this tragic scene, Hermann sinks into dementia. Luckily, Lisa, his frail lover, brings him back to life and happiness.
During World War I, in Flanders, Berry and Trent were in love with the same girl, Yvonne. During a battle in the Widow's Island sector, Trent is wounded and abandoned by Berry. Trent being reported missing, Berry now has a clear path to marry Yvonne. Two decades later, Yvonne incidentally meets a tourist guide in the former combat zone region who looks fiendishly like - Trent.
For years now, Chief inspector Gustave Picard has been trying to bring down Salviati, the dreadful leader of a drug-selling gang. Lucienne Préville, an informer who works for him, has infiltrated the gang but her position is dangerous. On the other hand, Scoppa, Salviati's former right-hand man, has started challenging his former boss. Will Salviati, the brutal public enemy, clear off at last?
Line, Annette's daughter, is about to marry a man she's not in love with. At the engagement party three ghosts revisit their disastrous relationships with Annette and decide to take action to help Line.
The famous singer Antonia left the stage to marry a country gentleman. She goes alone one day to Budapest to see again the operetta which revealed her and outlines a flirtation with an aviator engaged to her niece. The presence of mind of the latter pleasantly closes the adventure.
Philippe Lutcher, an anarchist, fires a shot at Clara Stuart, a famous stage and screen actress, but only wounds her. The star, through affectation and curiosity to know his motives, pleads in his favour at his trial, but he rebuffs her pity. After he has served 18 months in prison, they meet and fall in love.
Jacqueline took one of her friends to a place where tourists, informants, girls, pimps and Apaches rub shoulders. Her husband, who watches over her, after having corrected Julot and Frize, is considered an ace at the Bal des Terreurs. He thus finds the love of his wife.