France, 1809. Captain Neuville is called to the front, leaving his future bride heartbroken. Her sister decides to write letters on his behalf to cheer her up.

It’s the end of the school year. The long-awaited moment of the holidays is arrive. The little Nicolas, her parents and Grandma take the road towards the sea, and settle in for some time at the Hotel Beau-Rivage.

On holiday in the south of France, chic Parisian sophisticate Violette meets life-loving IT geek Jean-René. Against all odds, there’s a real chemistry between them and at the end of the summer, Jean-René wastes no time in joining his beloved in Paris. But there’s trouble in paradise, and a third party swiftly appears to shatter the couple’s idyll: Lolo, Violette’s ultra-possessive 19-year-old son, who is determined to get rid of his mother’s lover, whatever it takes…