Heavy traffic in the summer. Bad luck for Juliet, Albert, Jaeger and Arthur who does not reach their destination. Involved in a terrible accident that will change their lives forever.

Young - beautiful - married, fulfilled, Martha is bored. Passive in an active society, she took a first step by serving as a "guinea pig" to her brother researcher who undertook a comparative study on animal behavior and human behavior.

Two best friends fall in love with the same boy.

Jean-Noël Tavernier is a big-hearted guy, a former professional driver with a love for powerful cars, determined to reconnect with his lifelong passion thanks to a 600-horsepower Porsche he rented through a classified ad, unaware of the mess he was getting himself into. He also has a big heart, torn between his daughter Emmanuelle and her teenage moods, his supermodel mistress Cléo, and a grumpy wife who hires an overzealous private detective to follow him.