Marianne is THE richest woman in the world. Pierre-Alain is a dandy-writer-photographer in Paris. They met on a photo shoot and became inseparable. Their loving friendship surprises, amuses, intrigues, makes people talk and eventually unsettles the billionaire’s entourage and family. Marianne's daughter, in particular, struggles with her mother’s sudden complicity with this younger man, insatiable for money.