한달에 한번 진짜 마법에 걸리는 여자

Jeong-woo, who is newly married with Na-yeong, is secretly meeting Na-yeong's close sibling, Min-joo. Na-yeong, who is not aware of that fact, is worried that she is alone and tells him that he will introduce a good man to him, but she disappears when she tells him that she does not need a man and tells her not to do unnecessary things. Meanwhile, Na-yeong, who came home, tells this to her husband, Jeong-woo, but Jeong-woo also shows a grim reaction and does not care about it. Then one day, Min-joo visits Na-yeong's newlyweds in surprise, and the three of them fall asleep while drinking happily. While sleeping, Min-joo comes to Jeong-woo and does something amazing. A fierce love between a close brother and the man of his sister is just beginning.

Na-hee spends a day with alcohol after parting with her lover, Ji-hoon. Min-yeong knows and tries to take care of Na-hee. However, Na-hee does not forget Ji-hoon, and in fact, Ji-hoon and Min-yeong, who was former partner, have a relationship with Ji-hoon, who came to Na-hee. Na-hee, who is not aware of this fact, contacts Ji-hoon again, asking for forgiveness.

Na-yeong and Min-hyeok become lovers and have a relationship, but they live together on the premise of marriage. At their first housewarming, the two invite their friend Jin-woo. Jin-woo, who is invited, keeps telling bad stories to Min-hyeok, and Min-hyeok, who is only gentle, thinks it is just a joke. Meanwhile, Na-yeong who is angry at Jin-woo's appearance, talks with Jin-woo about Min-hyeok, who is asleep. However, there was a hidden past between Jin-woo and Na-yeong. In fact, the two were sex partners.

Sang-woo's daily life changes 180 degrees ever since his sister's friend Jeong-hee comes to live in their house. Everytime he sees her walking around the house with wet hair and wearing just a big T-shirt, he gets erotic thoughts. He dreams of having sex with her just once until one day, he does. However, since then, Jeong-hee can't forget the night with Sang-woo and how much better he was than her fiance and starts coming back to his room...

HK businessman Kiu doesn't have time to woo a girl. On a trip to Saigon, he offers financial help to poor girl Shun's (very troubled !) family if she'll come and live with him. With a sense of duty but no love, she agrees, too timid to even tell boyfriend Lik just after losing her virginity to him. Love fails to blossom between Shun and Kiu in HK, and Kiu starts to drink heavily. Sandy, Kiu's luscious secretary takes advantage and gets it off with him in the gym and digusts Shun in the process. Shun gets drunk and is picked up in a bar, nearly raped, and rescued then befriended by a fellow Vietnamese, a photographer, in what is clearly a setup. Turns out Sandy is behind this ruse as well, to get Shun out of the way and have Kiu all to herself. But things don't go according to anyone's plan. Will Shun give up Kiu and his money to go back to Lik ? Will Sandy hold her nerve and push ahead ? Will the guys Sandy paid to set up Shun have their way with Sandy instead ?

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.

Ria comes to Seoul from the countryside with dreams of becoming a voice actor but fails in every test. One day she goes for an audition but for actors who read erotic stories. Ria thinks of it as practice before becoming a real voice actor. Seong-tae was having difficulties running the website and when Ria changes all that, he starts to have feelings for her. Joon-beom helps Ria from danger one day and they fall in love with each other. Meanwhile, Ria's father comes to Seoul from home... Seong-tae makes a mistake and the website is closed while Chae-yeong betrays him... Their relationship just gets more and more complicated...

Ji-yeong has been married for 5 years. She is the wife of a doctor named Min-ho who doesn't have sex with her. They used to heat things up when they were dating but that's all gone now. Min-ho is having an affair with Bo-yeong from the same hospital. Will this couple find their happiness? "The wife is family. How do you have sex with family?" "I don't have sex with my wife."

Gwang-sik is a single father with a son and Hae-ra is a widow with a daughter. They get remarried and become one family. Gwang-sik's son Myeong-ho and Hae-ra's daughter Dal-rae are brother and sister but they end up having sex. Their parents notice something is wrong but they pretend they don't know anything. That's because Gwang-sik feels attracted to Dal-rae and Hae-ra feels attracted to Myeong-ho. They go on a family trip to Kangwondo. They end up colliding with their sexual desires for each other and in the end, their family is reconstructed.

Seul-gi has a satisfactory life with her rich and caring husband. However, she feels she's lacking something and meets Seung-hwan to whom she is very much attracted to. Seung-hwan is a free spirited man and seduces Seul-gi. The two of them experience an exciting but dangerous relationship. However, her husband Jeong-ho finds out but he's willing to let it go as he knows he loves her but he hasn't been able to care for her much as he's been so busy. He gives her the chance to make a choice and the moment comes where she has to make the right decision...

The stories of three characters whose joy, passion and despair overflow in one bed are tangled like a puzzle. Tantalizing but heartbreaking, stimulating but sad, this movie explores human desires without hesitation and fear. B (Bed for Werther), E (Erotic desire of Aphrodite) and D (Dream about comfortable slumber) talk about the same bed with different languages and different gestures.