六位毫无关联的陌生人,为了回想起各自遭遇外星人攻击的细节,相聚在「外星人接触者互助会」。当他们分享彼此被外星人绑架的恐怖经验之后,意识到这场与外星人的战争不会如此简单就结束,整个世界正笼罩在危险之中。他们能克服恐惧、相信彼此而存活下去吗?Six complete strangers recall the details of their individual experiences with alien forces-sharing the terrifying stories of their abductions and possessions.