An actor named Kosuke plays the role of Iemon in a stage version of Yotsuya Kaiden and his new lover Miyuki plays Oiwa. However, as they delve deeper into their respective performances, the line between fantasy and reality becomes obscured until the murderous, vengeful themes of the play bleed into their own relationship.

Shinobu Takamura (Asami Mizukawa) is an aspiring painter. One day, she is accused of using counterfeit money. Shinobu is confused by the allegation, because she never did such a thing and was at home when the crime occurred. Police Officer Kanou then appears and takes her to a place. When they get there, a group of people are already gathered. All of the people there are concerned over a doppelganger like existence that looks just like them and acts like them. They call that existence “bilocation”.

In 2199, five years after the Gamilons began an invasion of Earth, the planet has been ravaged by the aliens’ bombs. The remnants of humanity have fled underground to escape the irradiated surface. One day, former pilot Susumu Kodai discovers a capsule sent from the planet Iscandar that tells of a device that can remove the radiation from the Earth’s surface. The Earth Defense Force rebuilds the battleship Yamato with a new type of propulsion system to make the 148,000 light year trip to Iscandar in hopes of saving the Earth. Within one year, the radiation will drive the rest of humanity to extinction.