A married woman who retired after working at the company for many years was invited by her colleagues to celebrate their boss's promotion party at one of their homes. However, since her husband had an unexpected business trip, she would be attending alone. Little did she know that both her husband's boss and his coworkers had been eyeing her ever since she started working there; they were attracted to her cute face, big tits, and perfect ass. After getting drunk at the party, the lonely wife finally gave in to her desires due to her long-standing sexual frustration with her distant husband. She moaned and climaxed repeatedly throughout the night.

社内結婚して寿退社した人妻は、夫の上司の部長昇進を祝うパーティを同僚の家で開くと夫婦で誘われる。しかし、夫は急な出張で出席できず人妻だけが参加する事になったのだが、出張は部長が仕組んだ企みだった。人妻が会社に在籍した時から部長と同僚は，可愛くて美巨乳尻の人妻を狙っていたのだ。何も知らずに参加して酔った人妻は、夜の生活が淡泊な夫で欲求不満だった事も重なり、久しぶりのセックスで感じまくってイキまくる。