After an accident while on a drive with her sweetheart, Jolyne Cujoh falls into a trap and is sentenced to fifteen years.She is sent to the state-run maximum-security correctional facility Green Dolphin Street Prison—AKA "the Aquarium."On the verge of despair, she receives a pendant from her father that causes a mysterious power to awaken inside of her.Will Jolyne ultimately be set free from this stone ocean they call a prison?The final battle to end century-long fateful confrontations between the Joestar family and DIO begins!!