Set in Morioh-Cho during an alternate universe where Steel Ball Run unfolds, the town grapples with unusual geological formations called Wall Eyes post a devastating earthquake. Amidst the mysteries surrounding these phenomena, a young girl named Yasuho Hirose unearths a man with a star-shaped birthmark and strange bite marks. Dubbed Jousuke Higashikata due to amnesia, the man's arrival sparks a series of enigmatic events, including the appearance of powerful entities known as stands, adding to the town's growing bewilderment.