Why was a knife-throwing serial killer terrorizing London, and why was he bothering to pack a grip for each of his victims? Inspector Ruppert Redford (Fred Williams) and crime novelist crony Charles Barton (Horst Tappert) have their hands full trying to end the carnage in the final CCC Edgar Wallace krimi, straightforwardly directed by Jess Franco. Barbara Rütting, Elisa Montés, Luis Morris, Mara Laso, Eva Garden also star. 81 min. Widescreen; Soundtrack: German; Subtitles: English; audio commentary. In German with English subtitles.