In 19th century Paris, the lives of artists and performers intertwine at the famous theater known as the Paradise. Amidst love triangles, rivalries, and criminal activities, the characters navigate their dreams, passions, and struggles in a world filled with drama and romance.

"Altitude 3.200" asks the question and provides the premise of what would happen if a group of young people----poor, rich, discontented, bored--- were given an idyllic community in which to live. Call it a colony. Call it a village. Call it one-world. Mainly call it a futile exercise in changing human nature, mores, culture and attitudes at any altitude. For t'ain't no time before clashing personalities, petty jealousy, violence and---that old demon---love create havoc. And isn't much longer before they become re-united in the face of an avalanche that threatens to destroy them. They all return to whence they came, sadder and wiser.

François Chotard, wholesale grocer, gives his daughter in marriage to Julien Collinet, a writer who prefers dreaming to working, a situation conducive to quarrels between the son and the father- in-law. Until the day when Julien receives the Prix Goncourt, prestigious literary award. Chotard has a sudden change of heart.

Due to an accident at the Barlay Circus, animal trainer Flora finds Fernand, a former prison escapee, and refers him to manager, Edouard Barlay.

A young reporter solves a mystery crime. The fictional reporter is Joseph Rouletabille. He works on a complex, and seemingly impossible, crime in which the criminal appears to disappear from a locked room.

A poor peasant family, a failed cabinet maker and an unemployed worker struggle in contrast to crooked rich businessmen. nearby.A Communist meeting gives young workers hope for a better future.