A spree of grisly murders is perpetrated in Frankfurt by a group of Satan worshippers. A lonely schoolteacher almost runs over an elderly man and takes him in, unbeknown to her the man has plans for her – plans that involve a permanent future with the Satanic cult.

Kelly Curtis
as Miriam Kreisl

Herbert Lom
as Moebius Kelly

Mariangela Giordano
as Kathryn

Michel Adatte
as Frank

Carla Cassola
as Dr. Pernath

Angelika Maria Boeck
as Claire Henri

Giovanni Lombardo Radice
as Martin Romero

Niels Gullov
as Mr. Henri

Tomas Arana
as Damon

Donald O'Brien
as Justice Jonathan Ford