The stepmother is violated by her four sons, yet surrenders to overwhelming pleasure she can no longer suppress. Unable to overcome their husbands' deaths and having shut their hearts off, these women are gently enveloped by their sons. Through skillful manipulation and relentless coercion, forced threesomes and degrading sex are repeated, gradually heating the stepmothers' voluptuous bodies as their lewd figures are set free. The sons' desires seep into the stepmothers' hearts, awakening new, forbidden emotions.