Lin Shu, an Ivy League master's degree student in psychology who is heavily in debt, has learned one thing throughout his life: Believe in science and reject ghosts and gods. In order to pay off her student loan, she took a job with a ridiculously high hourly wage - working as a tutor for the young master of the top wealthy He family. The good news: more money, less trouble, and the employer and his family all look like decent people. Bad news: Young Master He Yunqi is frail and sick, and frequently claims that he can "see" unclean things. The previous tutors were either scared crazy or scared away. The He family was convinced of this, and they invited all the masters to no avail. They were about to turn the whole house into an exhibition hall of feudal superstition. On Lin Shu's first day at work, the young master pointed to the empty corner of the stairs and trembled: "Sister, there is an aunt in red there smiling at me..." Lin Shu pushed up his glasses and said calmly: "No, that's just the Fresnel diffraction phenomenon of light passing through colored glass, superimposed on the visual hallucination caused by your lack of sleep and psychological suggestion. To put it simply, it's time for you to take a nap." The young master: "?" Everyone thought that Lin Shu was a staunch materialist who would sooner or later be taught how to be a good person by a "fierce ghost". Until she held a crowbar in one hand and strolled in the century-old house late at night. Based on the sound of wind, light and shadow, and even the unusual chemical smell in the air, she uncovered the mastermind step by step. "Phosphorus powder spontaneously ignites to create will-o'-the-wisps, dry ice sublimates to create mist, and architectural structures are used to create echoes... Your modus operandi is less creative than my graduation thesis." When the "family member" who was pretending to be a ghost was exposed in front of everyone in horror, everyone realized that the most terrifying thing in this house was...
