The Woman Who Laughs Three Times

"Innocent face, D-cup breasts and perfect intercourse skills! Son, this is not your girlfriend anymore but your mother!" Ki-ho brings Yuki from Japan to marry her. However, he starts cheating on her with his ex-girlfriend in Korea. Min-cheol comforted Yuki and thought of her as his daughter-in-law, but one day he realizes he is looking at her as a woman. In the end, Yuki and Min-cheol have intercourse without Ki-ho knowing...

Korea's most popular song writer Hee-soo runs into a nineteen-year-old boy in the elevator. Hee-soo is inspired by a new song watching him shake at her figure. She starts to tell him about women under the excuse that she's teaching him music. They fall for each other but things get complicated when her life teacher, Joon-ho who taught her about life and music comes back.

Eun-sik tries to pass the state exam while studying in college after his military service. One day, he meets a beautiful woman Eun-hyo, and his life changes.

A train ride brings two unlikely souls together as Bae, a committed partner of a serious 10-year relationship, sees her world turned upside down by the charming playboy Kim. Seated together on a business trip from Seoul to Busan, the two find themselves on an adventure to remember.

Nelson is a man devoted to his advertising career in San Francisco. One day, while taking a driving test at the DMV, he meets Sara. She is very different from the other women in his life. Nelson causes her to miss out on taking the test and later that day she tracks him down. One thing leads to another and Nelson ends up living with her through a November that will change his life forever.

When they were young, Min-joo and Seo-yeon cared for each other and were closer than brothers and sisters. However, she accidentally learns about Seo-yeon's tutor, Woo-hyeon, and because of this man, their 10-year friendship starts to become shaky. Meanwhile, Jeong-soo is hurt in seeing Min-joo like that, and so he distanced himself from Min-joo. Because of Min-joo and Seo-yeon's misunderstanding, Jeong-soo who couldn't care much might just leave so Min-joo tries to break up with the help of Seo-yeon. While in the process of breaking up, Min-joo and Seo-yeon went back to their close relationship. The love of women who have been separated because of man, and the two men's friendship is comically drawn.

Tae-il lives a fast life as low level thug. He then learns that he has a terminal illness and not much time left to live. Then, for the first time in his life, he falls in love.

Whenever elementary school teacher Kang Joon-soo falls in love, he always gives too much of himself to the relationship. Yet despite that, he ends up being the one getting dumped by his girlfriends. Joon-soo has been friends for 18 years with Kim Hyun-woo, a weather forecaster whose beauty belies her witty tongue and aggressive manner.

Woo-ri, 32, and Ja-young, 28, who both dislike being alone but have particular anxieties when it comes to dating, meet through an app.

A woman finds a man in a box in front of her home and takes him in. She jokingly says she wants to keep him as her pet since the man reminds her of her childhood dog. The man agrees. Later the woman discovers that the man is a dance prodigy. Complications arise when her old flame from college returns.