A seasoned trainer almost meets his end when he falls from Mt. Coronet's cliffs, but he saved by his Zoroark, who had awakened a mysterious force within his Keystone. When he wakes up, he finds that he has been transformed into a human-Zoroark hybrid, and a female hybrid at that! With help from his Pokémon, he sets out on a journey to return to his human form and find answers.