Guy Temple, as "the fool there was" marries his brother's ward, his boyhood sweetheart, Emily. The young husband becomes ensnared in the toils of the Vampire (a destroyer of souls). Clandestine meetings are arranged and the cunning, unscrupulous, satanic actions of the Vampire compels the poor weakling, Temple, to falter and fall before her charms. John Temple, the other brother, determines to save the young husband when he discovers his perfidy, and to recover the jewels given the Vampire by Guy.