PD Jang who works for Tourism TV, goes abroad with his girlfriend Lisa, to film with the reporter, So-hee. During the filming, the director of the company comes and PD Jang witnesses the lobbying of reporter So-hee.

Min-woo, the consulate general of the overseas consulate, was determined to be Japan's next consulate. For this reason, Min-woo becomes determined to learn Japanese and lives with his wife's friend, Mika, and learns Japanese. Min-woo's assistant, Ji-sung, has a brief relationship with the consul general. The more the unfamiliar is revealed, the more deeply the story of the four-way relationship becomes irreversible.

Bomi is a friendly broadcasting writer. She has a boyfriend named Jeong-nam who just graduated from law school, but they're not on very good terms right now. Their sex isn't fun either. Then one day, Bomi's friend suggests she joins the adult version of "Pairs" and starts having affairs with different people. Man 1,2 and 3 and woman 1,2 and 3 check each other out but jealousy gets the best of them and they step over the line.

Hyeon-soo manages a hostel run by his friend Jeong-ho. It's a hostel for foreign female students. There is a Korean-American from LA, a Japanese who's here to learn Korean out of love for K-Pop and his friend's sister who just happens to be there. These women are very outspoken and Hyeon-soo and Jeong-ho fall for them.

A young mother takes interest in her friend's son. Her interest in him makes her forget herself and drives her to pursue him.

Ji-soo and Joon-yeong have been married for 5 years. Unlike the first few years of marriage, Joon-yeong is terrified at the sound of Ji-soo taking a shower. However, Ji-soo advances on Joon-yeong more and more because she wants to have children. Meanwhile, Ji-soo's best friend Yoon-kyeong comes back from the Philippines and spends a few days with the couple. Joon-yeong feels his manhood reacting when he see's the young-looking and sexy friend of his wife's...

CEO Seung-tae is in an affair with his sister-in-law So-young who works for him. One day, a rookie named Young-chul finds out about them and threatenens So-young that he'll tell the CEO's wife about them and spends anight with her. He continues to threaten and bully her. So-young is scared that her affair with her brother-in-law will cause trouble with her half-sister Hye-sun...

Jeong-soo is full of bluff because of his father's hanky-panky business. His father suggests going to Japan to study and brings home a Japanese tutor named Akita Yuri. She's dressed revealingly and she's somewhat suspicious. Her lessons get more and more erotic day by day and Jeong-soo isn't able to get out of it. Then one day, Jeong-soo is shocked to find his girlfriend is pregnant. Meanwhile, he is even more worried because Yuri wants to know everything about what he does. What will happen to them?

Ji-sung, a Korean wave star living in Macau, invites his wife's cousin to live in Japan. Minwoo's wife, Mika, is a fan of intelligence and is soaked with the anticipation of meeting her favorite celebrity.