Zhu Erworm suffers from the noise upstairs and has no way to complain. By chance, he got a pair of strange earplugs, which allowed him to see into other people's secrets. Using the information he obtained, he set up a subtle revenge, leading debt collectors to seek revenge on his neighbors while creating a solid alibi for himself. The plan was seamless. The neighbor died violently, and he was detained by the police for "insanity and causing trouble", clearing the suspicion. Although Officer Li had an insight into the truth, due to insufficient evidence, he could only watch him quit the rent safely, taking away the peace that he had finally obtained in exchange for extreme means.
