The Man Who Lies is a surreal drama set during World War II, exploring the themes of identity crisis, double identity, allegory, sadomasochism, sexuality, and surrealism. The protagonist is a man who fabricates stories about his heroic actions in the war, creating a complex web of lies. As the story unfolds, the audience is taken on a mind-bending journey through the man's distorted reality.

Italy during the Napoleonic wars: A French General and his Adjutant are separated from their unit get beyond the enemy lines. There they meet Carlotta the resolute daughter of an Italian Count, who cannot withstand the charm of the French.

During an orgy, Some old and wealthy notables are being murdered by a small group of leftist young revolutionaries. Very soon the police are tracking down Virgile Cabral, the leader of the group. Meanwhile, Virgile's brother and only relative, Vincent, a violinist (and a thief), comes back to Paris. They have not seen each other for three years. Vincent does not believe in the revolution. He only tries to live as he wishes to live. But by looking for his hunted down brother, he has no other choice than to be involved in a fight that is not his.

Thanks to the complicity of his friend Laura, Jo, sentenced to 20 years in prison, escapes from the central prison. Hiding in an old disused mill, Jo sends his young friend to a certain Freddy, gangster and nightclub owner in Pigalle, who owes his freedom to Jo's silence. But Freddy sends two of his henchmen to the mill where Jo is hiding, to kill her.

Fulbert is a sidewalk artist who is duped into working for a counterfeiter. He accompanies a woman posing as a grieving widow on a trip to Spain in a hearse. Unaware she is the mistress of a notorious gangster, Fulbert is chased by thugs.

The story of a hotel boss that, from time to time, observes the couples in the rooms and even films them.

Lionel Fribourg, a great composer (at least that's what he thinks) has a problem with his noisy environment: he can't complete his unfinished symphony. Of course there is a market for unfinished symphonies but, for all he knows, only one became famous. So he had better find a way to finish it. At long last, he comes across Agnès, a divorced woman who agrees to let him her quiet home. Lionel, full of hope, resumes work...