Watch on SFlix. For twenty years, the Prince and Princess of Wales have been an extraordinary couple, sharing moments of happiness but also their flaws. On January 17, 2024, the whole world learned that Catherine Middleton had just undergone major abdominal surgery. The news came as a bombshell. Why did Kate and William keep this procedure secret? What is the Princess of Wales suffering from? With King Charles III battling cancer, are they ready to reign?