After suddenly losing her beloved partner in a traffic accident and falling into despair, she is confronted by Tsubaki, who harbors deep resentment. The grieving widow is mercilessly bound with cold ropes, her body drawn into a whirlpool of pain and pleasure. Face licking, choking, spanking, slapping, whipping, penis bondage, deep throat training... In front of her lover's memorial portrait, she drowns in maddening pleasure, sobbing like a female dog. Her sorrow and memories are completely overwritten by pain and ecstasy, portrayed as an extreme lesbian BDSM masterpiece showcasing the limits of emotional expression.