December 1994. On Saturday 24th, four GIA terrorists hijack an Air France A300 Airbus, bound for Paris, with 227 passengers on board, at the Algiers airport.
February 1927. The funeral of Marcel Péricourt, the most powerful banker in Paris. His daughter Madeleine must take the helm of the financial empire of which she is the heiress. But she has a son, Paul, who with an unexpected and tragic gesture will place her on the path to ruin.
Mathieu owes everything to his friend Vincent : his house, his job, and even his life, ten years ago. With their wives, they are an inseparable quartet, and live the easy life on the French Riviera. But Mathieu discovers Vincent is cheating on his wife.
