Yuka's husband Yoshinobu started a transportation company with his best friends Tomohiro and Takeo. Just as everyone was working together and the business was starting to get back on track, Takeo asked him to quit the company... It was a small company that was barely run by three people, and if even one of them left, it would be doomed to collapse. With Tomohiro's desperate persuasion, Takeo was dissuaded from leaving the company and was supposed to feel relieved...but Tomohiro, perhaps pretending to be indebted to him for the company's survival, approaches Yuka...