This document provides a summary of the Sidney Sheldon novel "Master of the Game". It introduces the main character, Kate Blackwell, who is driven to achieve power, money, and love without stopping at lies, betrayal, or even crime. The summary then jumps back in time to 1883 to describe Kate's father Jamie McGregor and how he established a diamond company in South Africa called Kruger-Brent. It describes Kate's life and how she becomes a powerful businesswoman, then discusses her descendants including her son Tony and grandchildren, twins Eve and Alexandra, and the question of who will inherit the family company.