Stéphanie grew up with an absent mother and a brutal stepfather. One day, she knows, she'll leave the city to live the life she's always dreamed of.
During a happy evening, the famous professor Levy, one of the masters of cardiac surgery, collapses, struck by a heart attack. His whole life comes back to him, and in particular his childhood, enlightened by a loving and beloved mother.
The mobster Raymond Bettoun gets out of prison and joins his son Maurice in Miami, a drug trafficker who is about to launch a huge operation. But he falls into a trap and a war begins in which Raymond will fight a last battle to try to save his son and what remains of his family.
