Koichi, one of Ohara's grandchildren, fails to get into his first choice university and becomes discouraged. Ohara gets Yamaoka to cheer him up over dinner and he is successful until Ohara disparages the sole they have for dinner instead of the more expensive flatfish even though they taste almost the same, undermining Yamaoka's good work.
第一志望の有名大学失敗のショックで第二志望の名門にも行かないとぐずる社主の孫・公一。大学を名前で選ぶ愚を諭すため、カレイ漁に公一を連れ出す士郎だが彼自身の判断するカレイとヒラメの差は？
