On the first day of class at Nightmute Academy, Suni's connection to the supernatural leads to a warning about the school--delivered to her from beyond the grave. Suni, Gale, and Shi-woo are new students at the Nightmute Academy. They also happen to be the only students. Well, the only students who aren't haunting the place, anyway. Nightmute is filled with all kinds of ghosts! Join them as they piece together and solve the mystery behind Nightmute...