Morse is taken seriously ill at a museum reception and is hospitalized. In the hospital, Supt. Strange, visits Morse to push him to take early retirement, while Dr. Millicent 'Millie' Van Bure...
A mysterious black sphere is discovered in the orbit of Mars. The Achilles is sent to investigate. After the bedraggled six-person crew wake from eight months hibernation, the Sphere is transmitting a...