Miyama Akari is a university student who manages a photography shop with her mother that was left behind by her late father. One day, she receives a request from a male customer to develop a roll of film and discovers something within the photos which she had seen before. Meanwhile, she reunites with her old childhood friend for the first time in fifteen years. Soon after, a series of strange incidents start to occur within the town.
Yuichi Katagiri, a high school student, is abducted with four of his friends and forced to participate in a "Friends Game" to pay off a debt he was suddenly saddled with. The game is supposed to be easy to beat as long as you have friendship, but for some reason Yuichi and his friends are unable to beat the game. They suspect the existence of a traitor, and their friendship gradually begins to crumble. The ultimate mind game show is about to begin!