London, 1978: 17 -year -old Diana Spencer is invited to the pole. She comes from one of the most prestigious noble families in the country and the world in which she found herself is not alien to her.

On the contrary, Flirt begins with the future king of Great Britain, who will change her life forever: less than three years later, 3,500 invited guests in St. Paul's cathedral stand and celebrate the wedding of the century. But although she does not like her everyday life in a royal family with a strict protocol and Charles does not return her love, finds her own way - and the world will soon lie at her feet ...