In the immense city of Tokyo, the darkness of the afterlife lures some of its inhabitants desperately trying to escape the sadness and isolation of the modern world.

A scientist desperately wanting to prove that mermaids exist is ostracized from the scientific community in Japan. He settles down in Australia steadfast on his hypothesis. When a Japanese student visits him in Australia with strange questions about mermaids, how the young man survived in the ocean, and why he doesn't remember anything.

A.D. 2015: A virus has been spreading in many cities worldwide. It is a suicidal disease and the virus is infected by pictures. People, once infected, come down with the disease, which leads to death. They have no way of fighting against this infection filled with fear and despair. The media calls the disease the "Lemming Syndrome".

Akiko, a young woman, comes to Vladivostok to meet Matsunaga, a young businessman she has met in Tokyo only once. Akiko finally finds Matsunaga. However, he leaves her again, warning her not to trust strangers in a foreign country. She tries to follow him, but she is attacked by thugs and dumped on the outskirts of town.

Yumiko Haruno works as a waitress at a cafe that has been around for a long time. She spends her days aimlessly and without a dream for her future. On an ordinary day at her job, Yumiko notices middle aged man Ichirou Haga looking intently at shunga (Japanese erotic paintings that were popular during the Edo period). He suddenly talks to her and asks her what shunga is to her. Yumiko becomes interested in the eccentric shunga researcher and he invites her to visit his home to learn more. After his wife passed away, Ichirou has lived a reclusive life and concentrated solely on his study of shunga. Yumiko visits his home and begins to take shunga lessons from him.

Hyakkimaru, a warrior on a quest to reclaim 48 of his body parts which were each taken by a demon, is joined by Dororo, a thief on a quest to avenge the death of her parents.

Set in an actual forest said to be rife with supernatural phenomena, this next-gen horror film is based on witness accounts of people who saw "It" and the protagonists’ encounter with the mysterious "It".