西罗的身体正沉没在那不勒斯海湾的黑色水域里，在下沉的过程中，记忆不断涌现上来，水声与逃跑者的尖叫声混杂在一起。1980年发生了地震，大楼通通倒塌，破碎的瓦砾下，传出了婴儿的哭声。十年后，当初的婴儿已经长大，他无父无母，在那不勒斯的街头苟且活着。长期以来的经历都是他犯罪道路上最生动的教材，他也因此成为了——命硬仔西罗。

Germany, Baltic Sea coast, May 1945, a few days before the end of World War II. A small Soviet patrol arrives at an isolated house where an elderly baroness gives shelter to a group of orphan girls and a boy who is determined to continue the fight.

A former world-famous conductor of the Bolshoï orchestra, known as "The Maëstro", Andreï Filipov had seen his career publicly broken by Leonid Brezhnev for hiring Jewish musicians and now works cleaning the concert hall where he once directed. One day, he intercepts an official invitation from the prestigious Théâtre du Châtelet. Through a series of mad antics, he reunites his old orchestra, now composed of old alcoholic musicians, and flies to perform in Paris and complete the Tchaikovsky concerto interrupted 30 years earlier. For the concerto, he engages a young violin soloist with whom he has an unexpected connection.

Polina is a young dancer from a modest family. After years of ballet academy, she is accepted by the Bolshoi; still, she decides to try and audition of a modern dance company in France. She makes it, but her journey will not end there...