Symphonie mixes fiction with reality. The author, Romain Schneid, tells the story of his own claustrophobia in front of the camera when, when he was 12 years old, hiding as a Jew during the German occupation, he could not leave a tiny apartment.
Yoko is upset when her father remarries and begins rebelling against her new stepmother. First, this is accomplished by promiscuity and partying but eventually her schemes take a much darker turn.
The wealthy doctor Shashikant marries a servant girl, the much-loved Gauri. When an old flame makes makes contact with Shashikant, pride jeopardizes their marriage and the lives of their children.
Industrialist Sood's manager Vishal gets expelled for siphoning off money from the company. To seek revenge, he kidnaps Babloo, one of Sood's twin sons, and inducts him into the criminal world.
A New York University professor returns from a rescue mission to the Amazon rainforest with the footage shot by a lost team of documentarians who were making a film about the area's local cannibal tribes.