Ai, a mother, has a relationship with her son Yuta that she cannot face either in public or in front of her late husband. Just when she thought they could spend the rest of their lives together, Ai becomes the victim of a stalker. Feeling their lives in danger due to his extreme behavior, the two leave the town they are used to living in. They escape and find peace at a hot spring resort, but it is only fleeting. The stalker's relentless courtship knows no bounds, and as soon as he appears before Ai, he ravages her ripe body as if to pour out all his feelings for her...