外太空神秘不成測,跌進那裡會是怎樣的一番气象呢?一艘太空船「奮進號」升空前做好一切檢查且蓄勢待發,升空後竟然頻生不测,最後總指揮基爾及船員的尽力,終於平安著陸,但太空船卻又已經偏離航道...... A shuttle is launched into space to release a new satellite. When an explosion occurs the crew has to think of a way to get back to Earth without atmospheric pressure (max q) crushing the damaged shuttle.