Stream The Vampire and the Vigilante Online Free – Watch Full Movie from Home at 123Movies. . The Master is the Knight of the Vampire that employs a Siren to find him victims. The Vigilante hunts down evil people. A beautiful young woman, Natalie, will cross paths with both of them. She needs money to pay for her grandmother's medicine and is unwittingly lured by Siren to be the Master's next victim.