Burdened by her husband's enormous debt, 'Yuno' and 'Tsumi' decide to work at a luxury married women's brothel as their last resort. Undergoing humiliating training suited to their slender physiques, the two cast aside their pride and adopt eager postures to suck cock, gradually revealing their true natures. The film depicts their journey along a new path as married women, enduring rigorous training and degradation.