A scientific exploration in search of a new energy source unleashes a group of powerful demons who begin possessing human bodies and destroying civilization. Close friends Akira and Ryo wind up on different sides of this epic struggle. Akira’s inner strength allows him to maintain his identity and fight for good, but the weaker Ryo is completely overtaken by Satan himself.
Teacher Kawashima Haru takes a position on a remote island off the coast of Hokkaido, where she takes charge of six students. However, she is later forced to leave after an accident occurs. 20 years later, Haru learns that one of her former students has committed a crime, and eventually returns to the island once more.
While Ryoko is in Vienna studying music, her boyfriend dies in a traffic accident. Ryoko believes that she has psychic powers which killed him, and when she returns to Japan she is sent to a mental hospital. While recovering, her brother-in-law, Kouji, decides to look after her, and she goes to his house to act as a governess for Kouji's sister Keiko's daughter, Alice – who Ryoko becomes increasingly sure had something to do with her sister Fuyuko’s death.
