Zhang Wenli, a female middle school teacher, was looking for a part-time job during the summer vacation. She found a part-time job looking for a summer tutor. The job paid well and included food and accommodation. With the mentality of giving it a try, she dialed the contact number. The other party asked Zhang Wenli a few simple questions. After learning that she was a mathematics teacher at a well-known high school in S city, Zhang Wenli successfully got the part-time job.
The next day, a transfer car was sent to take Zhang Wenli to Boya Villa. The name is Villa, but it's just a villa built on the mountainside. There are the three children she is responsible for tutoring, as well as a teacher Lin who also works as a tutor like her, an Aunt Liu who is responsible for their daily diet, and a young family doctor.
Ever since she moved in, there have been more and more strange things happening in the villa, and people around her have also begun to be killed one by one. What is going on in this villa?