Avsnitt 1

January 1999: The Zeus Project makes its first manned flight to Mars. Its ultimate goal: colonisation. On Mars, Ylla dreams of the coming astronauts and her husband, Mr K, plots their doom... The second expeditions lands and finds a Mars a deceptively familiar but deadly home from home. Finally, Col. Wilder's Zeus III expedition arrives to find the Martians dead, wiped out by chicken pox . For one crew member, Spender, the thought of Earth culture tearing the planet apart is too much to bear.