A confontation between the monster and Frankenstein regarding Eva leads the monster to fly into a rage and destroy the laboratory. Frankenstein, believing the monster has died, flees with Eva back to Castle Frankenstein. There he falls in love with her and, with the help of his friend Charles Clerval and housekeeper Mrs. Baumann, educates her with the goal of making her a perfect human mate.
A dispute between the creature and Frankenstein over Eva sparks the monster's ire, leading it to unleash its wrath on the laboratory. Frankenstein, thinking the monster has met its demise, returns to Castle Frankenstein with Eva, where he falls in love with her and, with the help of Charles Clerval and Mrs. Baumann, strives to refine her into a perfect human partner.