Karin Dor, Siegfried Lowitz, Harald Leipnitz, Ilse Steppat. The setting is a girls' school where a hooded killer, the Monk, lashes his victims to death with a whip. Scotland Yard tries to track him down, but more slayings occur before they can find the killer. One of the last black-and-white Wallace chillers. From a top 16mm print.