A brutal rapist convicted of killing two little girls manages to escape from prison. Evert Grens, who is working on his case, is sure that a relapse into madness is inevitable. The entire police force in the area is alerted, but the pervert kills and rapes another child. In the town where the crime was committed, hysteria begins, whipped up by the press. Among those who decide to take upon themselves the administration of justice is the father of the dead girl, and the consequences of his actions are catastrophic.