Shortly after hearing from a colleague about a woman whose brother committed suicide after seeing his doppelgänger, a Japanese engineer on the verge of a breakthrough in medical technology is confronted by his own.
In the early 1200s, Dogen brought Chinese Zen philosophy to Japan, and established the Japanese Zen school of Buddhism. He taught that a person was capable of realizing Buddhahood within himself, by way of Zazen. Zazen is extended hours of sitting and meditating to achieve a state of “Mu” (nothingness, or empty existence).
On her way to school, high school girl Nana sees a train accident. Then Nana and her friend Kanae start to come across various bizarre phenomena, including red fingerprints and a female spirit who 'lives' on the station platform. One day, Nana's younger sister is lost, and the only possibility seems to be that she had been taken by these spirits. The missing tracks. The predictions that a mysterious woman makes.
