Elegant Japanese beauty Ria Aise arrives at a hot-spring inn to celebrate her first anniversary in porn, happily sipping tea and expecting a relaxing shoot. She does not know that an aphrodisiac has been mixed into her drink or that the day's real plan is an all-day drug-fueled sex session designed to make her cum harder than ever before. The peaceful getaway becomes the most overwhelming and destructive pleasure ordeal of her career.