Gu Yuanfang, 23 years old, is an intern mathematics teacher at Pingxi No. 1 Middle School. Having just graduated from college, he chose to stay in the big city of Pingxi and work hard. Out of convenience, he chose to live temporarily in a community with a mysterious story close to No. 1 Middle School. But this fledgling boy never thought that this choice would plunge him into a terrible nightmare... A blood fate is about to begin.