To most, the entity known as the Celestial Toymaker is an abstract pan-universal force, whose powers, origins and intentions are unknown. To a select few the Toymaker is a god, a being to be worshipped, without whom there would be no existence. But to others, the Toymaker is the embodiment of evil, a force to be thwarted at every possible juncture. Aeons past, the Time Lords of Gallifrey tried to comprehend the Toymaker, and the role this force played in the cosmos. To one group of young Time Lords centuries later, understanding the Toymaker represented a goal, a mission.