Sex Files: Portrait of the Soul

Min-ho and Jeong-il end up working with each other's wives one day. As time passes, the men feel attracted physically to their friend's wives. In the end, Jeong-il suggests to Min-ho, "Let's not take sides and just be happy as the four of us!" They start swapping each other.

One day, Na-na's regular customer, Cheol-woo came to the massage room. Cheol-woo, after taking Viagra, is not satisfied with Na-na alone, and begins a special service with Bo-mi and Mi-na inside the room.

A sexual movie about the intertwined relationships of families living in the same house.

Kang-cheol and Mi-na are a couple. Kang-cheol is getting less and less confident... It's embarrassing to be criticized by Mi-na. He decides to listen to his colleagues and seek help from medicine... Mi-na, who is discontented, also decides to buy a dildo from her friend. Kang-cheol went to a massage shop. He gained confidence though he's unsure whether it was the drug or if the service was just good. When the dildo broke while masturbating, Mi-na got angry and complains to the company... A male employee comes and provides A/S service, saying it is a temporary service. Kang-cheol witnessed the suspicious scene and calls the company... This time, a female employee came to serve him... However, the female employee only sold the goods and left... Kang-cheol is happy while looking at purchased adult products...

Man-soo who is dating Kyeong-ja is heavy-hearted because he has been unemployed for a long time. One day, he receives and unknown package and finds an ona hole inside. That night, the ona hole fairy appears in a dream and had a love affair with Man-soo. Man-soo thought it was just a dream. The next day, Man-soo got a call from his childhood friend Yeon-sil, drank while depressed, and slept with her afterwards. Meanwhile, that night, Kyeong-ja found a mysterious package with a dildo inside. In Yeon-sil’s dream, a dildo fairy appears and has a love affair...

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.

Newly-moved Yoo-jeong had a housewarming party. So-hyeon and Min-soo gather their friends at the housewarming party and meet for the first time. Yoo-jeong falls asleep alone, and Min-soo secretly kisses Yoo-jeong. So-hyeon, who finds out, threatens Min-soo and plays with him. Min-soo had no choice but to accept So-hyeon's terms. Yoo-jeong misunderstands them. But in the process, Yoo-jeong herself finds herself interested in Min-soo. Recognizing that, So-hyeon gives up the room he originally intended to live in to Min-soo and leaves.

Yeon-joo feels good about Min-soo who found his cellphone, saying that it is fate. Although they are dating, she is disappointed in Min-soo. While kissing at Min-soo's house, roommate Jae-kyeong catches them. Yeon-joo is hurt when Min-soo had to hide her from Jae-kyeong. Jae-kyeong comforts Yeon-joo and begins a new fate. And the truth that Jae-kyeong is the person who found the cellphone has been revealed...

Sang-min has always been beaten by So-yeon. He is being comforted by Min-yeong, the wife of his junior. Was it because of her sympathy for Sang-min? The two of them get to sleep. Geun-bae takes a peek at them and takes pictures. Geun-bae who liked So-yeon for a long time, always tells her that Sang-min cheats on her so he can sex with her. Unexpectedly, So-yeon who is in love with Sang-min didn't fall for Geun-bae easily.

Hee-soo goes to her ‘rich lover Seok-ho’ while her husbands is on a business trip. Her younger brother Hee-yeong and her husband Jeong-tae are also together. Hee-soo introduces Seok-heo to Hee-yeong and Jeong-tae, and Seok-ho falls in love with Hee-yeoung at first sight. As Seok-ho tries to avoid Hee-soo’s eyes, and meet with Hee-yeong’s eyes instead, he decides to take advantage of Jeong-tae. Jeong-tae who dreamed of having sex with Hee-soo, seduces her, and while Hee-soo and Jeong-tae were playing, Seok-ho wins and took Hee-yeong as price. These people who are complicatedly intertwined, are at a crossroads to choose whether to disperse or become a new family.

Mi-yeong, whose life goal is to get a job, succeeds in joining a company after passing the final interview with difficulty. Mi-yeong, who is in charge of managing clients and signing new contracts with the company's manager, begins to be attracted to Sang-hyeon, who makes mistakes in important PT announcements, covers them up, and even scolds the company's representative. Sang-hyeon, who also had a heart for Mi-yeong, proposed to her and asked Mi-yeong for a difficult favor...