The Satanic Rites of Dracula (1973)

This is the eighth film in Hammer's Dracula series, and the seventh and final one to feature Christopher Lee as Dracula and the fourth one with Peter Cushing as Van Helsing. This film takes place two years after the events of the previous one. A large headquarter owned by a reclusive personality has been built upon the cemetery where Dracula died in the previous film. Van Helsing is once more approached by the Secret Service after one of their officer gets hold of information regarding elite personalities performing satanic rituals in a mansion located on the outskirts.