A young man on vacation in Greece falls under the spell of a devil-worshipping cult that practices vampirism and sexual abandon. Can his fiancée and a retired major save him? Will he want to be saved? Patrick Macnee, Peter Cushing star in "Bloodsuckers." AKA: "Doctors Wear Scarlet," "Incense for the Damned." Next comes "Blood Thirst," a mystifying fright fest from the Philippines about a woman who becomes involve d with sun cultists and seeks to retain her youth through ritual killings and bizarre experiments. With Robert Winston and Yvonne Nielson. 3 1/3 hrs. total. Standard; Soundtrack: English Dolby Digital mono; art gallery; theatrical trailer; bonus shorts; featurette; more.