The Tokushima couple, who run a factory, were working hard while burdened with the mortgage on their newly acquired second-hand house. Then, their parent company went bankrupt. Their bank stopped providing loans. Furthermore, her husband was hospitalized after an accident. Caught in a chain of tragedies, Riko, despite being burdened with a large debt, wanted to protect the factory her beloved husband had left behind. And then, the shadow of a man from the neighborhood began to appear in Riko's life as she struggled with finances… Unaware of what was happening, Riko…