Two villains escape from jail in London. They are planning an attack on Agaton Sax. Inspector Lispington and Sax are chasing the two bad guys, but the hunt is hampered by the villains have lookalikes.

One Monday morning, a thousand children leave the suburb of Farsta and go to Stockholm to occupy the Royal Castle. The children have formed a group called S.O.P.O.R. as a protest against the way adults treat them and have destroyed their future. They demand that the robots in the industry are replaced by humans to create job opportunities. They take the royal family as hostages.