Darth Plagueis: one of the most brilliant Sith Lords who ever lived. Possessing power is all he desires. Losing it is the only thing he fears. As an apprentice, he embraces the ruthless ways of the Sith. And when the time is right, he destroys his Master-but vows never to suffer the same fate. For like no other disciple of the dark side, Darth Plagueis learns to command the ultimate power . . . over life and death.