Married women, restless in their mature bodies, turn to a training forum to expose their hidden desires in search of new thrills. Organized by a married women's training circle, this adult party gathers women unfulfilled in their marriages. Seeking to satisfy their deepest cravings, they attend with secret wishes burning within. Women who long to experience things they can't with their husbands before turning forty, who crave being restrained and toyed with by men other than their spouses, come together at this forbidden gathering in pursuit of new pleasures. The experiences they gain here shatter the boundaries of everyday life, sending shockwaves through their hearts.