The Crown - Season 6 Episode 1 -

As Princess Diana and the boys set off for St Tropez for a holiday courtesy of Mohamed Al Fayed, Prince Charles advances his latest plan to legitimise his relationship with Camilla in the public eye: a glittering fiftieth birthday party at Highgrove that he hopes the Queen will attend. Fayed, too, is in strategising mode. Unbeknownst to Diana, he hopes to engineer a romance between the Princess and his son, Dodi. But with a small complication: Dodi himself is already engaged to someone else.