Binchō-tan goes to collect acorns, chestnuts and wild mushrooms and in the forest. She sets up a stall and trades them for money or food. She receives some sweet potatoes. As there are too many to eat by herself, she gives one to Chiku-tan, one to Kunugi-tan and one to Saji. Saji buries his and Chiku-tan and Binchō-tan decide to visit Ren-tan, help sweep the fallen leaves at the temple and make yakiimo using the leaves. Ren-tan tries to roast some chestnuts but there is a mishap. Chiku-tan invents a device for picking up hot potatoes. Aroe trips on Saji's sweet potato and takes it home. Everyone eats their sweet potatoes at the same time. When Binchō-tan returns home, she writes another letter to Kunugi-tan
