Rio, who works at a construction site, is a tough-minded woman who behaves bravely in a male-dominated world. However, Rio, who is as strong-willed as any man, and her old-fashioned boss, Ichihara, who always tells her, "Women shouldn't tell men what to do," are always at odds with each other. Today, as always, the two clash at the construction site, but the desires that Ichihara has been suppressing for so long are ignited...