Hikiko-san vs. Sadako(ひきこさん VS 貞子)

Two high school girls are daily and cruelly harassed by Risa and the other students in their class. One of them is going to invoke Hikiko san - a woman who died as a result of bullying, who now haunts the rivers and peri-urban areas of Japan. Is it real, or is it just a stupid urban legend? At the same time, Risa will sink her body in a well after asession of hypnosis that went wrong: she will end up possessed by the spirit of Sadako!