Kujo Jotaro is a normal, popular Japanese high-schooler, until he thinks that he is possessed by a spirit, and locks himself in prison. After seeing his grandfather, Joseph Joestar, and fighting Joseph's friend Muhammad Abdul, Jotaro learns that the "Spirit" is actually Star Platinum, his Stand, or fighting energy given a semi-solid form. Later, his mother gains a Stand, and becomes sick. Jotaro learns that it is bec...