Sukoyaka Naru Toki mo Kakeru Toki mo

A man leads a powerful business empire and believes only a son should inherit it, but all his children are daughters. To find a suitable successor, he organizes a high-stakes gambling competition among his daughters and their husbands. One of the daughters recruits a highly skilled gambler to partner with her in the contest. The gambler, who consistently wins at casinos, agrees to join her as a temporary partner. The competition determines who will take over the company.