在那无底洞口，惊异的回声仿佛诉说着无尽的秘密与神秘的历史。综穿知青的世界

　　In 2015, five astronauts make the first manned trip to Mars. They must battle and overcome inferior computer components, corporate greed and indifference, their own personal problems, as well as the surprises that the Red Planet has in store for them.