The descendant of Elizabeth Bathory is abducted by a cult of self-proclaimed supermen who achieve this state of superiority by drinking from the "blood cows" (read: people) kept at the "dairy farm", and they try to get her to join them.
[U]nlike most exercises in hematic excess--Richard Rodriguez's Planet Terror, for instance, or Tarantino's Kill Bill--Thirst offers not the consolations of camp but the intensity of opera.