Mi-yeong, who lives in the backhouse comes between the strong friendship of Deuk-chan and Cheol-soo. Mi-yeong is usually blunt and cold, but in bed, it's a different story. Deuk-chan approaches her with love, but Cheol-soo only wants to remain sex partners with her. Meanwhile, Deuk-chan who loves Mi-yeong had an old sex partner, Hee-jin. Cheol-soo shows interest in Hee-jin. The love story of two youthful men and women begins...

Even Dong-ho, who got his dream home, went to the next generation and decided to eat every day with ramen. Dong-ho, who insisted on his own home, has one romance It's a college day, every day, I enjoy changing this woman I wanted to try my friend Sung Joon's section stripe. But I realized lately that I didn’t even have a woman The door to the next door opened when I was in the dark, and I picked up the collection bag. After discovering an attractive woman (So-hee), she becomes fascinated. Dong-ho decided to go out with her in a month, He's usually a timid personality, but he's a little dashing, but he doesn't give a glance and treats him coldly... Dong-ho, whose self-esteem is deprived, calls a business trip massage that Sung Joon gave I'm having a fascinating night with Mina, the sexy massage girl who came home... Then I heard the voice of the girl next door knocking on Dong-ho's door. Can Dong-ho get a girl next door?

Mincheol and Suhee go to greet Minchul father (grandmother) before marriage. Dae - sik welcomes her daughter - in - law, Su - hee. But before marriage, Minchol and Suhee are separated by the difference in personality. Soon-hee, who was only preparing for marriage, is soon to live.

美妍因赌博和对她的冷漠与丈夫吵架。她去拜访她的朋友有珍，无意中看到她和隔壁的男人睡在一起。美妍不得不在丈夫之间做出选择，后者乞求宽恕，和新的追求者。

男主的好哥们跟男主的妈妈搞在了一起，男主隐约发现有猫腻，在男主跟好哥们协同妈妈及妈妈的几个女伴一起出去游玩时，男主终于发现了好哥们跟妈妈的不轨行为，气愤至极的他，将怒火化作欲火宣泄在了同行的阿姨身上....

久违的休假回家的哲洙环顾小区，遇到敏静——曾是哲洙初恋的小区姐姐敏静，正要独自喝酒的敏静遇上喝酒的哲洙，酒后两人发生了关系，回家的哲洙却遇到了和敏静一起亲近的英勋，几人的关系变得异常微妙起来。

Paul Conway自己设计制造了一架会思考的机器人，起名“哔哔”（BB）。哔哔善解人意讨人喜欢。万圣节晚上，Paul、Tom、Samantha及哔哔想利用遇节无禁忌的机会，闯入老处女Elvira Parker小姐的前院，没想到她不通情理朝哔哔开枪，打得粉碎，只剩下电脑晶片无损。不久感恩节来临，Paul邀Samantha共进晚餐，Samantha因此被继父打落楼梯，脑部严重撞伤送医诊断，因脑死而回天乏术。Paul得Tom相助，于Samantha脑中植入哔哔电脑微晶片，Samantha因而复活，然而完全为哔哔之思考模式，哔哔怨恨Samantha的继父和Elvira Parker小姐，展开复仇……

赛熙不愿与家人一起居住，靠父母在外找了一间房子，开始了自由的独居生活。刚搬来第一天晚上，隔壁的花花公子圣贤，就与招来的模特冒出爱情的火花，赛熙根本无法入睡。第二天靠写小说为生的赛熙，突发灵感，想要靠着小说来完成一直希望与“隔壁男人”一起的作品，完成这个心愿，然而并未体验过的她，完全只能靠空想。一个偶然的机会，借着送餐的理由，圣贤进入了赛熙的房间，一顿饭的功夫，赛熙希望圣贤能够教她一些真实的感受，就这样，圣贤果断放弃了小模特，换了赛熙，赛熙对圣贤来说，和其他人竟然有些不一样的感受，想要照顾她，给她做饭。从未管过赛熙的亲生父亲，要求赛熙为其养老，难过的赛熙找圣贤蹭饭哭诉，圣贤慢慢安慰住了她。当天晚上，赛熙写文章时，没有感受过在气氛好的地方做爱的场景，不知道会有什么心情，希望与圣贤教教她。原来是赛熙想要摆脱束缚，追求自由的生活，自由的生活当然先从自由的爱情开始。赛熙从圣贤那里感受到了难得的幸福，自由的感觉，圣贤也非常同意，也很开心。

一个单纯的年轻人原本过着循规蹈矩、平淡乏味的生活，直至邂逅了“隔壁的女孩”。自此，他的生活变得精彩纷呈，却也纷繁复杂起来。