Giorno Giovanna is a young man living in Naples, Italy. He is the son of the Joestar family's old enemy, DIO. He was persecuted and abandoned himself in his childhood, but he learned to "trust others" by saving a gangster. The gangsters who treated him with respect and never forgot their gratitude made his heart become straightforward. In this way, Giorno began to yearn for the "gangster star". At the age of 15, Giorno caused trouble with the gangster organization "Passion" that ruled the Italian underworld and became the target of attention...