1809, France. 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. But it all goes south when Neuville reappears.

Diane is a well-known lawyer, divorced for three years. She loses her mobile telephone and receives a call from the person who finds it. That person is Alexandre, a charming man and the perfect gentleman. They make a connection...