Middle-aged couples in the lower house keep losing sleep due to the noise upstairs where a newlywed couple spend hot nights together. The level of noise always escalates, and the man downstairs who can't bear it anymore runs and knocks on the door, but the newlyweds became silent. Middle-aged couples who want to have their revenge had sex with their own loud voices, but they can't fool their age. She's mad at the guy who's been knocked out before he even reaches his peak. The war of nerves between the two couples is getting fierce.