他的女朋友在野营旅行中消失得无影无踪，他很快从目击者到嫌疑犯.。现在，一年后，她回到了她被带走的地方，但不像以前那样.。...

When the hospital she works at is transported to the moon, medical student Martha Jones joins forces with The Doctor to hunt down an alien fugitive before the oxygen runs out...