和男朋友分手后独自旅行的佳恩偶然来到了表姐佳英的家。小时候就像亲姐妹一样相处的佳恩和佳英久违地见面了，佳恩因为姐夫宇成亲切的行动和话语而露出了久违的笑容。 因为佳英的挽留，佳恩多待了几天，佳英突然出差，雨成和佳恩单独在家……

民秀(尚宇 饰)跟女友终于打算结婚了，然而自己的小姨子却是曾经的初恋，小姨子依然对民秀念念不忘，并绝对再度诱惑民秀，民秀能扛住这一赤果果的艳遇考验，跟女友修成正果吗？

与妻子宝美分居的龙勋，向小姨子宝英商量如何让姐姐回心转意，然而和小姨子经常见面的姐夫龙勋被小姨子宝英所吸引，越过了不该越过的界限....

半夜，Yoo-jin和Myeong-seok接到惠珍的电话。她终于摆脱了家庭暴力，和姐姐住在一起。然而，明石对她很好，惠珍开始喜欢他。。。

One day, Min-sang who is not that handsome becomes a huge success because of a webtoon. Then he gets a sexy wife, Yu-ra, for himself. Min-sang is having a dream-like marriage with Yura. It has been a perfect day except for his sister-in-law Yu-mi, who hates her ugly self. Accidentally, he learned of his wife's dark past through his sister-in-law's diary, and this leads to a reversal of the relationship with her sister-in-law. Min-sang began to demand excessive demands from his sister-in-law, and Yu-mi began to accept them. Where will the end of the relationship between Min-sang, Yu-ra, and Yu-mi lead?

男主是一家公司老板，时常跟小姨子偷情，而他没想到其实自己的妻子也搞了外遇，而且还安排外遇男到男主公司上班，外遇男贪得无厌，不仅跟男主妻子偷情，发现了老板跟小姨子的不伦关系后，也因此威胁小姨子，强迫小姨子跟自己发生关系，而这一切并没有结束，当男主带着妻子，小姨子，和外遇男四个人一同外出旅行时，一场混乱的性爱大战也自此展开....

一个男人在妻子去世后几年照顾他的年轻的姐妹们。这两个姐妹长大了，爱上了他们的姐夫。最小的妹妹暴露了自己在他面前引诱他反正可能。第一个妹妹更女性化，但她也不能不觉得吸引她的姐夫，并考虑与他发生性关系… 　　一开始，男人笑了起来，但很快，他也觉得吸引他们，并想与他们发生性关系。他会在第一个和第二个妹妹之间选择谁…

Jinyoung and Chie, who each had their own circumstances and needed a place to stay, go to their sister's house. Jinyoung and Jinyoung who kicked out because of the cheating of their lover Jungmin. Chie, her half-sister, came to Seoul in search of a modeling job in Japan. Just in time, their older sister was away on a business trip, Hyungjin, who will soon become his brother-in-law, welcomes you. Hyungjin has a lover who is so busy that even marriage has to be delayed. With him, whose desires are growing, Two very sexy sister-in-laws start living together.

当妻子离开她的两个姐妹时，她的丈夫会照顾她们。

讲述男主遇到了心仪的女人，从恋爱到结婚非常和气，可以包容对方的一切，而后来，小姨子搬进家里后，男主感受到了小姨子一点点的好，更致命的是，妻子此时却有了外遇，男主一度崩溃，善良的小姨子不仅悉心照料，甚至愿意以身相许，而迷途知返的妻子，让男主从此过上了左拥右抱的生活....