Respectable beauty Mako Morishita meets construction workers at a nearby job site. Among them are two young laborers who once bullied her son. That day, her son's helpless figure heading to school despite feeling unwell crosses with her own image cleaning at home. Suddenly visited, she is forcefully taken by the vigorous, youthful cocks of the workers, thrust into again and again with intense brutality. And this worst possible scene unfolds right before her son's eyes. While two friends relentlessly pound into her, she reaches climax after climax, moaning uncontrollably. The most unbearable moment imaginable happens right in front of her beloved child. This shocking climax becomes the film's ultimate highlight.