Donald Sinden

In this delightful tale, an Eastern Prince arrives in England with some family jewels which he's having reset as a gift for his fianceé. However, the Prince also has a mistress. She asks to wear one particularly enchanting piece that features a huge ruby, and then promptly disappears with it. Poirot discovers a connection with a house party at the home of Colonel and Mrs Lacey and, in order to pursue his investigation, an invitation is procured for...