Murder victims are being found with the hearts cut out. A police detective is assigned to find and stop the killer.
The Bloodsucker Leads the Dance (1975) La sanguisuga conduce la danza, The Mark of Satan, The Leaches Lead the Dance, Danza macabra, L’insatiable Samantha, La marque de Satan, La sangsue, O Drakoulas tou kastrou, O vrykolakas sernei to horo, Il marchio di Satana, The Passion of Evelyn
A Whisper in the Dark (1976) Un sussurro nel buio, Kathe vima kai kindynos, Shedio exontoseos, Un susurro en la oscuridad
