A Mistake in Sex Starter

"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.

Born to a family of established court painters, seven-year-old Yoon-jeong is a young girl gifted at painting. However, the pressure is on her brother to carry on the proud family tradition, as women aren’t allowed to become professional painters. While her brother trains to take his place in the court, Yoon-jeong helps him out by secretly painting for him. The little girl’s life is turned upside down when her brother kills himself. In order to preserve the family honor, she is forced to take her brother’s name and lives as a man. Yun-bok’s genius and talent captures the heart of another great master of the time, Kim Hong-do. But her daring depictions of women are condemned by the royal institute as obscene. Yun-bok meets Kang-mu and falls deeply in love. For the first time, she feels the strong desire to abandon everything she has built and simply be a woman in front of the man she loves. Kang-moo sacrifices all for his love as well.

Three married women had always been dissatisfied sexually with their husbands, and Hyoji, who recently divorced due to her husband's erectile dysfunction. They gathered after a long time and had a drink complaining to each other, and they received a business card from an unidentified handsome man, saying, "Don't you want to play tteok pounding game?" The four of them head to the meeting place and meet suspicious agents who were waiting for them.

Film producer Na-eun and director Yeong-tae are on the verge of shelving out cash for an adult film production. They're too busy blaming each other for the messed-up filming. Before another filming begins, Na-eun suggests Yeong-tae to become an actor himself and practice filming. Na-eun leads the shy Yeong-tae very skillfully. How far will the practice go...?

Shin-ah, a free spirit, has an unexpected encounter with Dong-gi, who seeks excitement. After a passionate night, she breaks up with her boyfriend and reunites with Dong-gi when he calls. The two fall madly in love.

On a Tuesday night, five couples have separate sexual adventures. Matt and Kris, friends for years, want to have an only-once, no-strings good time. Abby and Andrew, married, celebrate his birthday, but it's marred by angst and miscommunication. Mia and Eric are exes, making sure they are over each other. Jaime and Ken work together and this is a first date. Inez and Gord invite his roommate, Dave, to join them. By the time each couple has gone through a prelude, foreplay, sex, an interlude, orgasm, and afterglow, they've answered basic questions: can sex be anonymous, are we bored, is our marriage really finished, does anyone tell the truth, and how do we make someone happy?

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.

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.

An outrageous erotic poem focusing on the daydreams of a beautiful boy prostitute who, from the seclusion of his ultra-kitsch apartment, conceives a series of interlinked narcissistic fantasies populated by matadors, dancing boys, slaves, and leather-clad bikers.