While she still does not know that it is her older sister, Kaori is in charge of protecting Sayuri, who is determined to convince her to go to New York with her. Indeed, the journalist is not reassured to let her younger woman evolve in an environment to the least dangerous... At the same time, to reach J.J. and thus take their revenge on him, the Snake brothers do not hesitate to kidnap the two young women! But it was counting without City Hunter, who decides to lend a hand to her new ally...