敏成对哥哥的朋友尚美有好感，而尚美对敏成也有好感。但敏成有一个情人妍珠，她对敏成隐瞒了自己的感情。 接到尚美的电话后，敏成去了一家酒吧，听说尚美和妍珠在谈恋爱。 敏成独自留下来喝酒。

Joo-mi, a quiet church lady, hates to stand out and always wears a cross necklace around her neck. She is a purist who has never met or dated any man. A bully, Won-joon, appears in front of her. Hearing that Joo-mi is still chaste, the desire to seduce her intensifies. For Won-joon who meets women once a month, it was easy to seduce Joo-mi, but it was not easy to steal her virginity. Won-joon, who said goodbye to Joo-mi, who would never let him have sex, started dating Na-yeong. They brag about it to Joo-mi and insult her. Jooo-mi, who was insulted by Won-joon, who she loves so much, had sparks in her heart. Joo-mi decides to have sex with her church friend in revenge against Won-joon.

俊是一个30多岁的无辜男子。他辞掉了工作，和年轻性感的妻子米日经营着一家小烧烤店。然后有一天，米丽的妹妹娜丽来到他们家。娜丽二十几岁。Joon goo感觉自己被Na-ri吸引了，Na-ri冷静体贴，不像minx Mi-ri。在一个小事件发生后，两人最终越界了。。。

Woo-hyeon 终于通过了他的大学入学考试，并和他的阿姨 Mi-yeon 一起住在附近。这是他从小到大第一次见到她。她不是他真正的姑姑，但她比他想象的要年轻。然后有一天晚上，宇贤偷看了美妍，她正在取悦自己。于是开始了危险的关系……

一个危险的同居开始了 韩进突然被公司派往附近地区。他下楼时毫无准备，就打电话给住在那里的朋友常勋。常勋让韩进暂时呆在家里，但韩进开始思考。 原因是，昌勋的年轻妻子宋妍与元晋有过交往。然而，韩进决定去常勋家看秀妍。常勋刚好离开了一段时间，韩进遇见了苏杨的迷人朋友京熙，她也住在那里。 韩进开始和淑妍和京熙住在一起，他们开始勾引他*

小杨是个人人称羡的人生胜利组，不仅事业得意，还不断地有年轻嫩妹投怀送抱与他在床上翻云覆雨。没想到，天天换人睡的小杨这回可面临了难题，他遇上一名对他深深迷恋的年轻幼齿妈妈，已经拥有一切的他，是否会狠心拒绝这名女子？还是会冒着失去一切的风险，只为了与她在一起？

Yeong gil在研究生班，强调的是找份工作。更糟糕的是，他还没有和女人的任何经历，所以他总是在梦中寻找一些东西，但却什么也没有醒来。然后有一天，他的生活发生了变化，他把手放在潘多拉的盒子里，得到了一份工作，虽然这不是一个固定的位置。他与他的女上司在采访中睡觉，尽管这不是他想象的那样。然后有一天，他去Joo yeon的家，遇到了她的美丽的母亲。他能阻止自己被这个女人勾引吗？

Dong-hoon and Min-soo, who are college friends, are best friends with their boyish female friend Ji-hyeon from the same department. Min-soo secretly likes this kind of Ji-hyeon. One day, Ji-hyeon, Min-soo and Dong-hoon drink casually, and Ji-hyeon makes a mistake. Ji-hyeon, who drank a lot the day before, seems to have slept with someone, but she can't remember whether it was Dong-hoon or Min-soo. But Ji-hyeon is more confused by the behavior of two men who are so indifferent... Was it Min-soo who spent the night with Jihyeon? Was it Dong-hoon? The sweet, gruesome love story that falls into an unknown mystery is just beginning.