 The Doctor asks Mickey and Vida to go through the naval personnel records and see if the crew of the "Ascendant" had anything in common.He takes blood samples from Rose, Keisha, and Vida, and finds that Rose and Keisha have alien matter in their blood, and specks in their eyes.While going through the computer files, Mickey looks up Commodore Powers (Crayshaw's boss), and discovers that he was on a ship that sank in the North Sea three years ago.