Mysterious cases take place in high school again, which are intricately tangled with each other. Five mystery club members get together again to revea…
Five students transfer to a girls' high school and are bewildered with accidents happening nonstop.
The members become prime suspects of a pizza theft and might be kicked out. Who is the real culprit?
The members take a sweet break. Then, a stranger hysterically presses on the door lock.
The first case request arrives at the Mystery Club. "I hear scary noises in the cafeteria everyday!"
The team finds a secret box at the library and discovers the school's ugly past.
The team hears creepy sounds like the note said. Is it a soul of a child who died at the school?