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.
Just as the disheveled and alcoholic filmmaker Ismaël embarks on a difficult new film project, his life is sent into a tailspin. His wife Carlotta, presumed dead for 20 years, come crashing back into his life creating chaos in his work and his current romantic relationship with the starry-eyed astronomer Sylvia.
When Norwegian scientist Marie attends a seminar in Paris on the actual weight of a kilo, it is her own measurement of disappointment, grief and, not least, love, that ends up on the scale. Finally Marie is forced to come to terms with how much a human life truly weighs and which measurements she intends to live by.
Jezebel is a nihilistic artist who hides her fragility by living a fast-paced, promiscuous lifestyle. After attending her father's funeral, the sultry temptress finds herself attracted to David, a handsome, earnest young priest. While David wrestles with the earthly desires elicited by this new temptress, jaded Jezebel tries to comprehend his deeply-rooted faith.