Imprisoned following a bold rescue attempt, Jolyne Kuujou fights against the enigmatic Stand user Whitesnake, controlled by the secretive Enrico Pucci within Green Dolphin Street Prison. Pucci's ties to a past Joestar nemesis intensify the conflict with Jolyne and her father, Joutarou. Using the prison population to further his malevolent agenda, Pucci enacts a plan rooted in his late friend's ambitions. With allies like Ermes Costello and Foo Fighters, Jolyne confronts a series of Stand adversaries within the prison. As Pucci's sinister machinations extend beyond the walls, imperiling the world, Jolyne leans into her Joestar heritage, confronting danger to thwart evil's advance.