Isabelle and her niece Nina open a "fasting and detox" cure in the heart of Provence, with the help of Baptiste, a yogi and handyman, Jessica, a tantric masseuse, and Maxime, a seductive equine therapist. Among the first curists, four overweight teenagers sent by the town hall; Marion and Lio, her skinny sister who imposes the cure on her "for her own good"; and their friend Émilie who, having shed her extra kilos, discovers as soon as she arrives that her beloved husband is swooning in the arms of a man... who is clearly overweight!

The Arbac de Neuvilles are one of the oldest families in France. They have inhabited their ancient château for fifty-two generations and are proud of their noble ancestry. But today they are stone broke. When a bailiff turns up notifying them that they owe two million euros in back taxes, these proud aristocrats are understandably shaken to the core of their ancestral seat. Just how are they to find this amount of money when none of them has any capacity for work?

Jonathan is in love with Julie, the most beautiful girl of his school... However, Julie doesn't even know him. He becomes friend with Charles, Julie's brother. One day, he sneaks in Julie's room to steal her diary. Back home, he finds in the diary a drawn heart, with the quote "I love Jonathan"... Back to his new friend Charles' home, he realizes that the diary belongs to Charles, himself...