When an internet vigilante develops a revolutionary new computer program to combat online predators, its rapid advancement leads to serious questions of autonomy, oppression, and what it really means to be human.。当人类首次向火星进军的载人太空飞行遭遇了神秘的、灾难性的事故时，一支太空救援队出发前去调查这一悲剧性事件，并且要救回任何可能的幸存者。。