Forty beautiful mature woman, Yurie Matsushima & Eriko Miura co-star for the first time! Oshima's eldest son, Yoshiyuki, and his wife, Yurie. The second son, Kei, and the bride, Eriko. It was customary for these two couples to return to their husband's birthplace only on the anniversary of the death of the owner of the Oshima family, Toshizo. Incense sticks are put on the Buddhist altar of Toshizo, and the story blooms with the third son of the Oshima family, Mitsuo. But only Mitsuo was different. Mitsuo was planning a plan ... A plan to put two brothers and daughters in despair ...