An extreme couple lived next door to Li Yi-ming. Unable to sleep due to the noise in the middle of the night, Li Yi-ming helplessly knocked on the door next door, only to be met with worsening behavior from them. Left with no choice, Li Yi-ming called the police, which resulted in the couple starting a series of retaliatory actions against him. Through this incident, Li Yi-ming accidentally learned that the neighbors in the residential compound were all suffering to varying degrees from this extreme couple, so he united with the neighbors and began planning a series of counterattacks. In the end, the couple divorced and moved out of the compound together, and the neighborhood has been at peace ever since.