The eldest son, Tarou, and the second son, Kazuya, returned to their family home. Tarou's wife, Yoshie, and Kazuya's wife, Shizuka, also gathered, making the family home lively for the first time in a while. Shizuka, who had been consulting with Tarou about Kazuya not having a steady job, was attracted to Tarou. On the other hand, Kazuya had developed feelings for Yoshie, who kindly watched over him. Such brothers were never meant to get along, and now they both harbored desires for each other's wives. Kazuya secretly indulged in Yoshie, while Tarou quietly pursued Shizuka... However, their secret affairs under the same roof were soon discovered by both parties...
