The columnist Jenny was deeply disturbed by the mysterious murder case which happened recently in his sister's school. He decided to go deep into the campus to investigate it secretly. He hoped to arrest the murderer as soon as possible and end the tragedy. During the investigation, all the teachers and students who had caused Jenny's doubts were killed one after another. The death was originally used to create a mystery. The mystery of an amazing art work is about to be revealed, but the prey has not come back.