A vampire emerges in the midst of the night from Sergio Sotubai’s coffin, leading a band of creatures from beyond death, to the party given by old Kolman and his nieces Leonor and Mirta at there home. These are the last descendants of those whom wiped away the vampires centuries ago; and now, Sotubai, intending to conquer the world, seeks revenge. At the party, Sotubai attracts Leonor’s attention. Rodolfo and Mirta are shocked because Rodolfo, an investigator of occult sciences, has discovered Sotubai’s mysterious powers. Sotubai makes Leonor follow him to his cavern, and his men kidnap Kolman and Mirta. This latter manages to escape. So Rodolfo and Mirta go to the cavern to save Kolman and Leonor, but Mirta is captured again. Rodolfo, after beating a servant of Sotubai rescues Kolman. Sotubai is going to transform Mirta and Leonor into vampires, but Rodolfo finishes staking him.