Ranma Saotome's new life is marked by the numerous disagreements he has with his fiancée, Akané. Their muscular explanations are more of a ritual than malice. However, neither is willing to yield to the other's whims. Into this comes a young boy named Ryoga Hibiki, who enrolls at the high school where the young couple studies. His goal: to exterminate Ranma and avenge an insult the latter inflicted upon him some time ago...