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...
道万寡言少语,没有朋友,也没有妈妈。而游泳能让他心情平静,他只要待在水中就能感到幸福。沉在水中的感觉就像在妈妈的怀里一样,给道万带去慰藉。道万因此梦想着成为一名游泳选手。而道万的父亲却极力反对儿子游泳,在父亲的一再反对下,父子间的关系渐渐疏远……