The ancient profession of "watchman" has mutated into the "community night watchman" in modern times. Master Li's rule is: the oil lamp in his hand must not be extinguished when patrolling at night. The new apprentice Zhao Hao did not believe in evil and deliberately blew out the lamp. The moment the lights went out, he saw that the windows of the entire community were instantly covered with pale faces. The lights came back on and everything was as usual. But the next day, people began to die in various "accidents" in the community. Before they died, the deceased murmured: "... Someone knocked on my door last night, and they looked exactly like me."
