this classic edgar wallace murder mystery or conspiracy film be surprising fun . leslie bank and a the clever and devious and torture device collect dr. mannetta ( the owner of the chamber of horror ) and frequently steal the scene he in even if his character be some what a cliche . the very lovely lilli palmer a judy lansdowne here play the lady in distress . a woman in need of help and rescue a many others plot against her and try and steal her key to the door with the seven lock and the seven key to which when combine will open lord selford tomb contain his family jewel . bank a mannetta and along with a creepy atmosphere and a good pace and an exciting climax make this good than you might expect .