Tenchi ventures into the mountains and disappears. After an exhaustive search across Japan, Ayeka and Ryoko eventually find him in Tokyo, where he is several years older. In that city, Tenchi appears to have slipped into a parallel world, living with a mysterious girl named Haruna, and he no longer remembers Ayeka or Ryoko. What ties Haruna to Tenchi’s grandfather, Yosho? Ayeka and Ryoko must uncover Haruna’s intentions toward Tenchi and rescue him before he disappears again.