When Ranma falls into the girl spring he wakes the spirit of his great grandmother who drowned their and absorbs her. Her grandmother tell Genma Ranma is dead to him and leaves to find her old lab with her magical books. Ranma meets Ryoga and they become friends helping each other out. After finding her lab and meeting the Amazons she leaves for Japan, along the way a group of monks change her and Ryoga into enhanced fighters, leaders of a group of cursed people like themselves able to control the curses and training together to fight a great evil locked away by the last group of Jusenkyo cursed warriors thousands of years before.