The people of Aimarrh's planet have worshipped the Eternal Machine for hundreds of years. Now, Aimarrh has had the dream, and his teacher, Engineer Fyan, tells him he has been chosen as an initiate, to travel to the stars. Sarah has made her way to the Sanctuary of Stars. Small groups of worshipers enter the Sanctuary. As she enters the Sanctuary, she notices Tarris nearby, who is part of the Doctor's plan. He is hiding a crossbow under his robes.