A father wants to try by all means to avenge the death of his son, a test pilot, whose responsible is the attractive female star of a Parisian cabaret.

The film is a 125-minute, black-and-white biography of French priest and diplomat Charles Maurice de Talleyrand-Périgord (1754–1838), who served for 50 years under five different French regimes: the Absolute Monarchy, the Revolution, the Consulate, the Empire, and the Constitutional Monarchy. Its title comes from one of the main historical nicknames for Talleyrand, that he shares with demon king Asmodeus and English poet Lord Byron.

During a singles meal, the phone rings. A woman claims a man, Jean-Louis. As a joke, the master of the house replies that he is gone forever and advises him to take the plunge. But she obeys and the suicide appears in the newspapers. Tested, the master of the house takes in the child of the unfortunate woman.

Sylvain is the town clerk of the small Provençal village of Coursoul. He is the darling of all the girls in the country. His brother, Désiré, a disabled carpenter, secretly loves Toinette, the lumber merchant's daughter. She falls in love with Sylvain. This one, convinced by the director of a traveling circus of the excellence of his voice, is about to leave everything to follow his career. But Désiré learns from Toinette that she is expecting a child from Sylvain. He goes to inform his brother, who reconsiders his decision. But Désiré will leave in his place, not to sing, but with his bruised heart to play Paillasse.

Everyone in Paris thinks Fantomas is dead. A wave of extortion, blackmail and murder all point to the master criminal. Inspector Juve and his reporter friend Fandor set out to find the truth.

Au Royaume des Cieux takes place in in a dreadful girls' reformatory. A couple of lovers will try to escape from this living hell.

Micheline, who fled to Paris with the man she is in love with, finds herself on her own when he abandons her. She lands in a reformatory from which she manages to escape.

Micheline Bertier is as wise as she is graceful, and is the perfect assistant to her boss, couturier Maurice Darnal. Darnal's business is faltering and he has to close down. Micheline's family is also in trouble. Her crazy-headed sister is about to steal her fiancé away from her. At the suggestion of singer Jacqueline François, Micheline goes on tour as an accompanist, and meets up with Darnal in Nice, full of projects he wants to involve her in. Micheline, who arrives in time to save her sister from a suicide attempt, will know how to run the new fashion house.

The story of a Antoine, a physician who was exiled to China in the 1930's due to his drug habit.