Unemployed college student Zhang Liang chose to commit suicide after repeatedly failing to find a job. He was rescued by a mysterious old man's urine and learned that the old man was looking for an employee who could look after the store. After Zhang Liang learned that he would be looking after a canteen, Zhang Liang was disdainful at the beginning and gradually became more and more curious about the magical things happening in the canteen. A series of interesting stories happened.