one evening, a company employee hurries home, with a man about to attack him and a colleague trying to stop him. they had resentment towards their superior who stole their ideas and became a department head. meanwhile, kaho, unaware of this, had an office romance, remarried the department head, and retired early. they planned to take revenge on the department head by taking kaho. they invited kaho to a drinking party under the pretense of a farewell party.