电影围绕从昏迷中醒来的徐震（麦亨利饰），发现林依娜（徐冬冬饰）等一行人均被囚禁过相同的铁箱之中展开。众人对于为何被抓至此完全摸不着头脑，带着疑惑的一群人，在面临着各种危机与异兽威胁的荒野丛林中不仅要奋力与效兽作斗争，还要拼命寻求方法离开，在逃生的过程中不断有人丧命于效兽的血盆大口中....
Based on the novel by Karel Capek, the prominent Czech writer of the early 20th century who coined the word robot for his play R.U.R., the story revolves around a discovery of Krakatit - a powerful explosive - by Prokop, an experimental scientist who, following an accidental explosion in his lab, slips in and out of delirium. When he realises that, in a delirious period, he has given the formula for making Krakatit to one of his colleagues, he tries to find the man, who does not realize how dangerous a thing Krakatit is. In the process, he nearly gives his discovery away again to foreign interests, a group of anarchists, and even greater forces of darkness...
