Sol, a famous Argentine Tango performer, has lived in Buenos Aires for many years. Behind her excessive temper and her glowing smile, the Diva hides an injury from which she never really recovered: the loss of her only son, Raphaël.

In search of the excitement of their youth, four retired people play gangster and make plans to rob the till in their retirement home. But when they learn of an upcoming ministerial visit, they decide to move up a gear and make the most of this unexpected event.

Like his father, Tom is a real estate agent who makes his money from dirty, and sometimes brutal, deals. But a chance encounter prompts him to take up the piano and become a concert pianist. He auditions with the help of a beautiful, young virtuoso pianist who cannot speak French - music is their only exchange. But pressures from the ugly world of his day job soon become more than he can handle.