勝木社長の跡を継ぎ、初芝社長になった郡山。そして専務に昇進した島耕作。よきライバルである二人は、新たな初芝のあり方を模索する。中国、インドだけでなく北米担当にもなった島は、久しぶりに娘・奈美の住むアメリカへ。そこで、もう一人の娘・nyaccoことナンシーの噂を聞く。悲しい別れ、そして新たなる恋の噂――。島の活躍は止まらない。
Koriyama succeeded Katsuki as president and became president of Hatsushiba. Kosaku Shima was then promoted to managing director. The two, who are good rivals, search for a new way for Hatsushiba to be. Shima, who is in charge of not only China and India but also North America, returns to America for the first time in a while, where his daughter Nami lives. There, he hears rumors about his other daughter, Nancy, also known as nyacco. A sad breakup, and rumors of a new love. The activities of the island do not stop.