i pick this up at the rare video store on vhs since it seem it not very well know or even on dvd . it a surprisingly refreshing supernatural horror film with element of the giallo mixed in . well direct and even creepy at time it be very interesting . the plot deal with a professor who uncover a sinister plot . fill with good camera work and colorful elaborate lighting and scene in old city center of europe and it be entice for the horror fan . if you like this and i would recommend represent zeder ( 1983 ) ( aka zeder voice from beyond or revenge of the dead ) and the house of the laughing window ( 1976 ) and suspiria ( 1977 ) and one dark night ( 1983 ) .