Wife Nanako's unwavering devotion to her husband, despite enduring his cruel treatment, appeared laughable to those around her. However, her kindness and affection only fueled his arrogance, gradually stripping away her role as a beloved wife and reducing her to nothing more than a wallet and convenient sex object. As a result, his life spiraled rapidly into ruin. This film realistically depicts how Nanako's pure love transformed her husband—and the painful process that led to their downfall.