A store owner and a magazine editor were hired as a temporary employee by The Louvre for a Mona Lisa exhibition to be held in Japan. The two soon discover a hidden puzzle of the Mona Lisa that will change their lives.

Summertime. A cruising spot for men, tucked away on the shores of a lake. Franck falls in love with Michel, an attractive, potent and lethally dangerous man. Franck knows this, but wants to live out his passion anyway.

The government is asking Eiffel to design something spectacular for the 1889 Paris World Fair, but Eiffel simply wants to design the subway. Suddenly, everything changes when Eiffel crosses paths with a mysterious woman from his past.

Paris, the late 1960s. Madame Claude is at the head of a flourishing business dedicated to prostitution that gives her power over both the french political and criminal worlds. But the end of her empire is closer than she thinks.

Jacques is a writer living in Paris. He hasn't turned 40 but already mistrusts that the best in life is yet to come. Arthur is a student living in Brittany. He reads and smiles a lot and refuses to think that everything in life might not be possible. Jacques and Arthur will like each other. Just like in a lovely dream. Just like in a sad story.

Valentine marries at the end of the 19th century, and love passes through her family from generation to generation.