A woman : Edwige Fenech , recovering from a car crash along with her boyfriend : Uruguay-born George Hilton, suffers hallucinations and strange dreams , being plagued by nightmares about a coven of devil bloodline worshippers . She lost her unborn child , being nowadays mercilessly pursued by an ominous killer with blue eyes : Ivan Rassimov and wielding a knife . A blood-drenched nightmare from which you awaken too late ! .Something is out there .. coming closer .. Don't be afraid to be afraid . They exist . They bear the Mark of the Devil inside them. They May be neighbors . They May be your wife , husband , sweetheart . They May even be your children . Their time has come . They cannot be exorcised from the World because their power has grown too strong.. their numbers too many !
Sergio Martino's Gialli getting certain success , being compellingly shot , including well staged crimes with plenty of startling visual content and adding Rosemary's Baby thematic . This is the usual Gialli where intrigue , tension , suspense , stabbing and chases show up lurking and threatening throughout parks , buildings , elevador, corridors and grim interiors . The film combines atmospheric blending of thrills , chills , nudism and suspenseful final . The rather perplexing tale weavers so many red herrings when ultimately the murderer is unmasked . Based on a story by prolific Santiago Moncada and whose scripts were created films as The Cauldron of Death , Bell from Hell , Corruption of Chris Miller and A Hatchet for Honeymoon by Mario Bava . Nice ambiance and setttings from Jose Luis Galicia and Raúl Pérez Cubero , enhanced by the well photographed London carried out by good cameraman Miguel Fernández Mila . As well as intriguing musical score by Bruno Nicolai, usual collaborator to Ennio Morricone . Being an Italian/Spanish co-production here appears Italian actors : Edwige Fenech , Ivan Rassimov , Marina Malfatti , Luciano Pigozzi or Alan Collins , Dominique Boschero and Spanish ones : Nieves Navarro or Susan Scott , Jorge Rigaud and Julián Ugarte , giving all of them acceptable interpretations .
The picture was decently directed by the Italian director Sergio Martino . Talented and versatile writer/director Sergio Martino has made unaffected products for mass consumption , realizing a vast array of often entertaining films through an uneven career . Brother of producer Luciano Martino, Sergio has frequently worked with actors George Hilton , Ivan Rassimov , Claudio Cassinelli and actress Edwige Fenech . Directing all kinds of genres as horror, gialli , sex comedy , Spaghetti Western as proved in Mannaja , Arizona returns . Sergio Martino was an expert on Giallos , such as : Torso, The suspicious death of a Minor , The Case of Scorpion's tale, Murder in an Etrusco cemetery, The strange vice of Mrs Ward and this Tutti i color del buio 1972 . Furthermore , he made other genres as Warlike : Casablanca Express , and Sci-Fi : Destroyer , 2019 After the fall of New York . Rating : 6.5/10, a notable slasher that will appeal to Giallo enthusiasts and Edwige Fenech fans.
