The quiet life of a mother and her young son living on a farm in Hokkaido is changed by the arrival of a man who ignites flames of romance in the heart of the mother and shows her boy the importance of grit and kindness, but then he leaves with the autumn wind.
A young Japanese-American man arrives at his grandmother's old hometown in Yamaguchi, begins to stay at her family's elite but dysfunctional household, and gets entangled in a sinister plot of murder.
Tora-san's opinions about Americans get challenged when another wandering peddler Michael Jordan stops by Shibamata.