Dr Ravna (Noel Willman) an early 20th century Bavarian entices a British honeymooning couple Gerald and Marianne (Clifford Evans Jennifer Daniel) to accept his hospitality Once ensconced in Ravna\'s chateau the couple discovers with horror that Ravna Bavaria\'s biggest fan of Count Dracula is the leader of an enthusiastic vampire cult Clifford Evans plays the Van Helsing counterpart Professor Zimmer a vampire expert who first tries to warn the couple out of the area and then saves Marianne