Saiko shukun fujin 1959 lchiro, the president of Mihara and Co , is henpecked by his wife Momoko, a clever and beautiful woman, but prattling and intrusive She makes her younger sister Nashiko marry lchiros younger brother, Jiro, manager of his company and now plans to marry her youngest sister Kyoko to her husbands youngest brother, Saburo This means her domination of the Miharas and their business, a fine triple play which would gain her the title of The Most Valuable Madam However, in opposition to Momoko, Kyoko boldly declares that she will never marry Saburo However Saburo is a most attractive young man and attracts Kyoko Will she or her elder sister be able to win the title of The Most Valuable Madam