Keiko Okura, Yumi Sudou, and Mai Ishiki secretly use their psychic powers to protect the peace at their high school. After Yumi has a frightening dream that she believes to be a premonition, the trio investigate the strangely popular psychic power research society that has appeared at their school. When their investigation takes a dark turn, the girls wonder if their powers will be enough to stop the sinister plot they have uncovered. [Written by MAL Rewrite]