Her husband is often away on business... A young wife, Yuri, has taken to masturbating out of loneliness. Her father-in-law watches Yuri's big ass day after day with agonizing eyes. One day, he sees her masturbating and from that day on, his suppressed sexual desire explodes. He cuckolds his son's wife, but is seen by her husband's colleague, and the cuckolding continues... A married woman sucking another man's cock in the couple's bedroom.