It is a text adventure game and visitors need to find the clues and infer which one is the killer, otherwise they will be killed by the ghost.
The storyline is that 5 students are going to make a film and due to the long journey, they need to find someplace to stay up for the night. They finally find an abandoned theater and decide to check whether it’s safe and suitable for staying. While in this process, one of the main characters was found killed in his room. And a ghost suddenly appeared, announcing that if they don’t find the killer, all of them will be killed. The story is based on a Japanese animation called “氷菓ひょうか” and Christie Agatha's novel.