Yamaoka accompanies Yūko Kurita and her grandmother, Tamayo, on a shopping trip. Grandma Tamayo insists on consulting a fortune teller about Yūko's future with Yamaoka, however, the elderly man collapses from the heat and they take him to a hospital. In the hospital they learn that his name is Ohashi, and he is the former head of an advertising agency.
ゆう子の祖母・たま代が助けた暑気当たりの易者は会社相談役の大橋。毎日看病に通ったたま代だが、今度は自分が暑気当たり。恩返しにと自らそうめんを作る大橋だが、たま代の食欲は回復しない。土郎の出番だ！！
