Under the direction of head of projects Dastari, Kartz and Reimer had been conducting experiments in time travel aboard Space Station Camera, finally building a primitive time capsule called the Kartz-Reimer module. Their work was advanced, but the final secret to making the machine function eluded them. The Kartz-Reimer experiments had begun to affect the space-time continuum, attracting the attention of the Time Lords, who sent the Second Doctor to advise the scientists to halt their experiments to avoid further damaging the continuum. Dastari, his Androgum servants Chessene and Shockeye, and the Sontarans Stike and Varl with whom they were secretly working murdered everyone aboard the station apart from the Doctor's companion Jamie, who escaped into the station's substructure. They fals