A sexy sister-in-law instead of a quiet wife! An innocent sister-in-law instead of a horny wife! Two men struggle with their sex lives and they decide to swap wives. Jong-woo is frustrated with his wife Jae-hee because she's so silent in bed. He talks to Ji-yeong about this and she tells him she hasn't had satisfying sex ever with her quiet husband Min-soo. Jong-woo and Ji-yeong find out they enjoy various positions and plays and end up spending a night together. Meanwhile, Jae-hee and Min-soo also want something soft and affectionate and the couples can't be stopped now...

组合中的两个男人而苦恼。妻子交换。！ 大家闺秀一样的床上安静的妻子在熙而郁闷的头部。在熙亲弟弟一样的英语这个问题的咨询我们的书生的丈夫也因为敏满意云井调查过。彼此不同的游戏感兴趣的事实的头部和英最终赢不了诱惑而强烈的高潮吧。另一方面，我们也和敏秀自己的温柔亲切的爱的诱惑，陷入两夫妻的关系无法流走。

Een sexy schoonzus in plaats van een rustige vrouw! Een onschuldige schoonzus in plaats van een geile vrouw! Twee mannen worstelen met hun seksleven en besluiten van vrouw te wisselen. Jong-woo is gefrustreerd door zijn vrouw Jae-hee omdat ze zo stil is in bed. Hij praat hierover met Ji-yeong en zij vertelt hem dat ze nog nooit bevredigende seks heeft gehad met haar rustige echtgenoot Min-soo. Jong-woo en Ji-yeong ontdekken dat ze van verschillende posities en experimenten genieten en brengen uiteindelijk samen een nacht door. Ondertussen willen Jae-hee en Min-soo het rustiger en de koppels zijn nu niet meer te stoppen...

정숙한 아내 대신 섹시한 처제! 밝히는 아내 대신 청순한 처형! 속궁합 때문에 고민하던 두 남자... 아내를 바꾸다?! 양갓집 규수처럼 침대에서도 얌전하기만 한 아내 재희 때문에 답답해 미치겠는 종우. 재희가 친동생처럼 아끼는 지영에게 이 문제를 상담하던 종우는 지영 역시 선비 같은 남편 민수 때문에 만족스러운 정사를 벌인 적이 없다는 사실을 알게 된다. 서로 다양한 플레이에 관심이 있다는 사실을 알게 된 종우와 지영은 결국 유혹에 이기지 못하고 강렬한 절정에 치 닿는다. 한편, 재희와 민수 역시 자신들만의 부드럽고 애틋한 사랑의 유혹에 빠져들면서 두 부부의 관계는 걷잡을 수 없이 흘러가는데...