在经历了前两集的失败之后,修道士还不死心.他发现那个邪恶的魔方被一个花花公子买走了,于是他以这个花花公子做诱饵来吸引牺牲品,在人间大开杀戒.修道士打算把魔方毁去,这样他就永远不用再回到地狱.但是一个女记者发现了这些可怕的凶杀案,并将修道士又一次送回了地狱.....

An engineer trapped in an unhappy marriage murders his wife in the hope of marrying her younger sister.

　　To withstand the psychological torture of the Gestapo, a lawyer imprisoned by the Nazis rescues himself in the world of chess.