When Saori meets a new client named Jack James, his daily life is upset. Indeed, the young man makes a strange request: to be accommodated to escape an assassination... Except that in reality, he is a hit man whose only goal is to put City Hunter to the test! With the appearance of J.J., Ryo's dark past resurfaces and, this time, it is not only against a big opponent that he will have to fight, but also against his old demons...