Set during the Balkan War of 1912, this film has Boris Karloff as a Greek general, Nikolas Pherides, who, after leading his troops in a victorious battle, travels to a nearby island to visit the grave of his wife. He finds that the body has been exhumed and, along with American reporter
Oliver Davis (Marc Cramer), begins a search for the remains. The two are aided by Albrecht (Jason Robards, Sr.) who provides a place for them to stay and explains that some locals have taken to grave robbing. Pherides decides to go after the culprits, dismissing fellow houseguest Kyra's (Helene
Thimig) peasant superstitions of vrykolakas
--Greek vampires. Members of the househ...