Yuna, on the verge of marriage to her beloved and reaching the pinnacle of happiness, goes to a bridal spa with her fiancé to become even more beautiful. However, she is drugged by a wicked spa therapist, forced to inhale and become soaked in an aphrodisiac mist, sinking into a quagmire of pleasure... On the eve of her wedding, feeling both immoral and guilty, she experiences repeated spasms and incontinence, reaching orgasm, a complete descent into bridal depravity.