Best movies like My Wife's Sister

When Pippa and Thomas move into their dream apartment, they notice that their windows look directly into the apartment opposite – inviting them to witness the volatile relationship of the attractive couple across the street. But what starts as a simple curiosity turns into full-blown obsession with increasingly dangerous consequences.

A woman attempts suicide when she suspects her husband doesn't love her and is having an affair. Now she's wheelchair-bound, and her husband, who indeed doesn't love her and is having an affair, hires a private nurse to look after his wife. The nurse begins to suspect that she was hired because of unproven allegations that she murdered someone's wife in a similar situation, that the husband wants her to murder his wife.

When a young couple loses all of their money at a casino, the husband performs certain "favours" in order to work the debt off, while his wife is unaware of this kinky arrangement.

"O" is a talented photographer in her late twenties with a promising career ahead of her. She is torn, however, between the tasks financial realities are forcing upon her and between her own artistic aims. Encouraged by her boyfriend, Rene, "O" decides that she should pursue her artistic passion without reservation, setting aside financial realities until she has completed her very beautiful, avant-garde book of original photos. In hopes of enabling "O" to focus her energies on the book, Rene introduces her to a mysterious benefactor, the wealthy and powerful Sir Stephen. What starts out as a promising arrangement, turns out to be self-destructive for "O". She allows outside influences to corrupt her artistic vision, as she is drawn into a seductive world of deceit, power, and eroticism

A gorgeous hit woman pulls the trigger on passion when she falls for her handsome target. Can they put their mutual attraction aside long enough to find who put the hit out on him?

A massage parlor gets way more business than it can handle when Mick, an excellent and handsome masseur, begins working there. He quickly gets a reputation for being one of the best in the business and suddenly finds himself unable to satisfy his customers' growing demands. He also wants to open his own business. But he is forced to choose between his loyalties and his desires.

Formerly known as "Two Women" or "Freezing Rain". A man who wants all love, a wife who approaches her husband's other woman, and a woman who wants to keep her love. A classy melodrama of these three people and their risky encounter.

Monique is a vivacious French au pair girl who not only looks after the children, but also sexually satisfies the parents.

Cyril and Fiona, a free-wheeling married couple, travel to a tropical coastal town to follow their sexual fantasies. Cyril is a manipulator. There, they meet another couple, Catherine and Hugh, and their three children. Hugh is a one-armed photographer who specializes in nude photographs of peasant women. Soon, they decide to live together and an erotic atmosphere develops between them.

Three young housewives, feeling neglected and abandoned after their spouses go off together on their latest hunting trip, try out at an elite brothel run by the glamorous Madam Brittany for kicks and cash. But what begins as a sexy lark takes on greater consequences, and soon becomes a life-changing experience for the sexy trio -- especially once the dark secret shared by their patronizing, inattentive husbands is revealed.

A doctor at a clinic where erotic role-playing is used to save troubled marriages gets turned on by his patients' sizzling fantasies.

Two married women start to have an affair with men they met online. However, one of them gets caught, and the other feels disappointed at the man.

A husband with a perfect life cheats with his wife's sister, with extreme consequences befalling them all.

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.

A star-crossed love story set in the world of polyamory and sex parties in New York City.

A daughter seeks to restore the reputation of her disgraced father, a wronged college professor. With help of a professional student, she must overcome an ambitious sorority bitch and corrupt college dean.

Florist Ae-ran and forensics investigator Min-ho from the Public Prosecutor's Office both have a family that everyone wants. However, Min-ho can't handle bed time so Ae-ran starts a 'challenge game' in which she seduces and has sex with strange men. One day, Ae-ran and Min-ho meet Alex at a tango cafe. Alex is interested in Ae-ran and approaches her while Ae-ran takes interest in Alex who is more handsome than her husband. Min-ho later witnesses them in action and gets angry when he finds out the man Ae-ran seduced is Alex. Min-ho feels nervous because he finds out Alex isn't just a game partner and approached him for a reason. Min-ho tries to get rid of Alex but Alex chokes Ae-ran and Min-ho even more and feels catharsis. The game they started is turning into a catastrophe...

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.

Won-jin is sent into a nearby region suddenly by the company. He is unprepared when he goes down so he calls his friend Chang-hoon who lives there. Chang-hoon lets Won-jin stay at his house for the time being but Won-jin gets to thinking. The reason is, Chang-hoon's young wife Soo-yeong has a history with Won-jin. However, Won-jin decides to go to Chang-hoon's house to see Soo-yeong. Chang-hoon just happens to leave the house for a while and Won-jin meets Soo-yeong's glamorous friend Kyeong-hee who is also living there. Won-jin starts living with Soo-yeong and Kyeong-hee who starts seducing him.

Ha-yeong is a successful psychologist. One day she gets a secretive request from her sister Ha-joo. Apparently Ha-joo's husband Woo-seong is refusing to have sex. Ha-yeong agrees to be their couple therapist but finds out that her brother-in-law actually has sexual desires for her and not her sister...

After a bad break up with Tyler, Mia tries to celebrate her birthday by inviting her friend Simon as her date. With best friends Kristen and Sara at her side, or so she thought, lies, distrust and sexual desires occur during a night full of drama and birthday sex.

When three women get cheated on by their husbands they decide to get even and open up The Mistress Club, where seduction is the name of the game and forbidden sex is the natural outcome.

Joon-soo learns that his friend Hee-gyu's sister Hee-jin has no where to go after being scammed, so he suggests living with him. The two start living together. They are close like brother and sister but they can never be that. The two start getting funny and Joon-soo can't go to sleep at the thought of Hee-jin sleeping just a wall away from him. Mi-na, Joon-soo's girlfriend notices Joon-soo changing and seduces Joon-soo at his house where Hee-jin is. Is it the girlfriend or the sister?

Donna is is unsatisfied with her sex life and jealous of her friends’ husbands. One night she wishes to have their life and wakes up the next morning to find that she has magically swapped places with them.

A sexy spirit that haunts a bed and breakfast possesses the guests.

Jeong-woo, who was enjoying his honeymoon with Na-yeong, quietly calls Min-joo while she is on a business trip. And after having a lovely time alone, he was resting at home, and Na-yeong came home earlier than he thought, and Jeong-woo hurriedly sent Min-joo away, but Min-joo is hiding in Jeong-woo's house instead of going back to her house. At this time, when Na-yeong and Jeong-woo peeked at the scene, they were so surprised that they ended their relationship with Na-yeong in a hurry and drove Min-joo away. But the immature girl, Min-joo, who is enjoying this, how will their relationship end? The thrilling love story between a young man and a woman is just beginning.

Things heat up when a promising young actor begins an affair with a glamorous model in order to advance his career.

Kim is the wife of a mobster and she is very unhappy. Then when her ex shows up and they discover her husband's hidden money, they decide to steal the money and blame one of husband's friends.

An omnibus movie about the jealousy of a man who can't stand the fact that his favorite woman slept with another man in two episodes. Episode 1 At a drinking party led by Jae-hoon, movie director Sang-min meets Hye-jin. Sang-min compliments and sleeps with her favorite Hye-jin while watching her movie. The next morning, Hye-jin's friend Mina left early because of her job, Jae-hoon and Sang-min, who were watching a movie together in Hye-jin's bed are attracted by the atmosphere and curiosity and enjoy 2 to 1. Episode 2 Sang-min meets his school friend Ji-eun at the club. When his foreign friend James showed interest in Ji-eun, Sang-min suddenly became interested in Ji-eun. That night, Sang-min finds out that Ji-eun slept with James, and visits Ji-eun's house with complex emotions mixed with like, anger and jealousy and confesses that he likes her.

A couple's weekend getaway to find some time together turns into a swinging good time.

An innocent actress runs away from the scandal with an idol, the impudent idol that ruined her career, a passionate manager who is devoted to her and his ex-girlfriend who is now a sexy stewardess. These four that should never be together run into each other in an airplane. No one can run away and the most cheeky and erotic things happen here.

Chi-soo is a repeater who gets bullied by his friends. However, he had a secret about his body that rumors wouldn't die down about... The secret was that he was the possessor of an outstanding package. Rumors about Chi-soo spread and all the women begin to desire him. Chi-soo who realizes what he has, takes revenge on those who bullied him by conquering all their women...

A paparazzi reporter and a female doctor with exhibitionism can't help their instincts. Jae-hoon was a cameraman but he was fired for something and is now a paparazzi. He is known for his neat work but his usual task is catching people in affairs. One day he gets a call from a woman asking him to keep watch on her twin sister. The sister owns a sexual consulting clinic so he goes as a patient. Then he starts to watch her in secret. As time goes, he shows signs of voyeurism and obsesses with her. The doctor's sister cancels her request but it's too late. Then he finds out that the doctor wasn't a twin sister but in fact the client herself and he blinds himself. Did Jae-hoon's voyeurism go away or was he a sexual pervert? Or did he really love the doctor?

A woman and her fiancée create a sexual to-do list of all the people they want to sleep with before getting married.

A divorcing couple discover a steamy solution to decide how to divide their property in this erotic drama.