At the end of the 1990s, ten years after the season 3. Jotaro Kujo goes to the city of Morio in search of his uncle, the illegitimate son of a previous Jojo. During his journey he joins in friendship with a high schooler named Josuke Higashikata who turns out to be the one he is looking for. Jotaro will be able to warn him against a Stand handler hiding in his city.