Raised as a slave, Danny is used to fighting for his survival. In fact, his "master," Bart, thinks of him as a pet and goes as far as leashing him with a collar so they can make money in fight clubs, where Danny is the main contender. When Bart's crew is in a car accident, Danny escapes and meets a blind, kindhearted piano tuner who takes him in and uses music to free the fighter's long-buried heart.

Cécile adopted Benjamin at the age of two and has managed over the years to create a harmonious balance with the young boy. She is considering marrying Marc, a divorced engineer and father of two, when she receives a call from Francis Haudrant, her son's biological father. Panicked at the idea of losing him, Cécile agrees to meet him. He tells her that Benjamin's mother died when he was two months old and that he served five years in prison before going to live in Africa. Now a suburban mechanic and about to become a father again, he feels the need to know what happened to his son.

A scientist in a surrealist society kidnaps children to steal their dreams, hoping that they slow his aging process.