"My son's wife is so sexy I can't stand it!" [Father-in-law] A young couple lives under the same roof with the husband's parents in a two-family home. Every night, the son and his wife have sex. The father-in-law is bothered by the vibrations and voices that come from the sex. To find out the source of the noise, the wife and the father-in-law playing the role of the son recreate the scene with air sex. The father-in-law's skilled hip movements make the son's wife wet between her legs...