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.
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.
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.