Momo (Momo Ayase), a high school girl born into a family of mediums, and her classmate Okarun (Ken Takakura), an occult enthusiast. Momo saved Okarun from a class bully, and the two began talking, However, Momo, who believes in ghosts but is an alien denier, and Okarn, who believes in aliens but is a ghost denier, get into an argument. In order to make them believe in aliens and ghosts, which they both deny, Momo goes to the ruins of a hospital, a UFO spot, and Okarun goes to a tunnel, a haunted spot.