And Harry here is only qualified to work on sailors. As in Noah's Ark, eh? DOCTOR: There must be something there that would help Sarah, but what? He will revive soon. If it hadn't been for the Doctor...
VIRA: Noah will not permit contamination of the genetic pool. The Earth. You remember Commander Noah?
Plan: A: Harry; Q: Who helped the Doctor revive Vira? A: the Ark's medtech; Q: What is Vira? A: Sarah; Q: Who does Vira help? A: station commander Noah; Q: Who becomes suspicious of the newcomers? A: the newcomers; Q: What does Noah become suspicious of when he is revived? Summary: The Doctor and Harry revive the Ark's medtech, Vira, to help Sarah.But when station commander Noah is revived, he becomes suspicious of the newcomers.