Best movies like The Key

Connie is a wife and mother whose 11-year marriage to Edward has lost its sexual spark. When Connie literally runs into handsome book collector Paul, he sweeps her into an all-consuming affair. But Edward soon becomes suspicious and decides to confront the other man.

A disillusioned Los Angeles based married couple, whose twisted sexual relationship is told exclusively through their own private journal entries.

Living among fusty academics, an unusual young man gets between a high school history teacher and his wife.

A middle-aged couple has a drifter enter their lives. The fish-store owners find that the mysterious young man awakens the couple in ways they didn't expect. Things get tense when the drifter begins an affair with the woman of the house.

While traveling in Paris, author Henry Miller and his wife, June, meet Anais Nin, and sexual sparks fly as Nin starts an affair with the openly bisexual June. When June is forced to return to the U.S., she gives Nin her blessing to sleep with her husband. Then, when June returns to France, an unexpected, and sometimes contentious, threesome forms.

Jay, a failed musician, walked out of his family and now earns a living as head bartender in a trendy London pub. Every Wednesday afternoon a woman comes to his house for graphic, almost wordless, sex. One day Jay follows her and finds out about the rest of her life. This eventually disrupts their relationship.

A young man has an affair with an older woman. He is very jealous of her husband and decides that they should kill him. One night, after the husband had plenty of sake to drink and was in bed, they strangle him and dump his body down a well. To avert any suspicions, she pretends her husband has gone off to Tokyo to work. For three years the wife and her lover secretly see each other. Finally, suspicions become very strong and people begin to gossip. To make matters worse, her husband's ghost begins to haunt her and the law arrives to investigate her husband's disappearance.

Tales of eleven losers are told and interwoven. Burt can't satisfy Angel, so she seeks the arms of another man, who is caught by Angel in the arms of another woman. Angel ends up with Justin, who ends up with a co-worker's wife. As Angel and Burt argue, a sorceress watches, and eventually seduces Burt while Angel gets to know Ray, who had previously chased a blonde girl down on the coast. You get the idea.

American couple move to the State of Ceará, Brazil, in the 1930s. The husband is looking for oil. His beautiful wife, Donna, soon falls in love with a rude but charming fisherman. The forbidden romance may destroy her marriage and upset the morals of the small village where they live.

In the mythical European city of Leisure, married couple Jack and Elvira have an ongoing bet regarding who can seduce whom. This comes up in the wake of a swinging night with a couple of tourists picked up via a newspaper ad. Elvira, a self-professed "sexual snob" has bet she can seduce newlywed Betsy, married to handsome marine biologist Eddie. If she fails by midnight, then Jack gets to seduce Eddie.

A sexually unfulfilled housewife begins working in a high class brothel and starts a mutually obsessive relationship with a creepy regular customer.

"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

Oda is a cowardly and boring man, his only redeeming feature being his diligence. He continues to live with his wife, Ayane, but they can't seem to produce children and are troubled as to whether their relationship will survive. One evening Oda returns home to find a pair of blue toy handcuffs hanging on the doorknocker. Using them, Oda humiliates Ayane. Although bewildered at first, Ayane begins to respond, and Oda becomes increasing excited as he sexually assaults her. In truth, the blue handcuffs were Ayane's contrivance. There was a time in the past when she used to reach climax...

Georges Duroy travels through 1890s Paris, from cockroach ridden garrets to opulent salons, using his wits and powers of seduction to rise from poverty to wealth, from a prostitute’s embrace to passionate trysts with wealthy beauties, in a world where politics and media jostle for influence, where sex is power and celebrity an obsession.

A writer has torrid fantasy affairs with young men.

At fictional Harrad College students learn about sexuality and experiment with each other. Based on the 1962 book of the same name by Robert Rimmer, this movie deals with the concept of free love during the height of the sexual revolution which took place in the United States.

Since Moonbeam Swiner is The Pigkeeper's Daughter, it's no surprise that her best friend in the whole wide world is a little piggy named Lord Hamilton. And that has her Ma worried. After all, Moonbeam has reached the ripe old age of 19 and she still ain't hitched yet. So when a traveling salesman from the big city arrives on the scene, Ma quickly out-cons the con-artist and Pa arranges a shotgun wedding.

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.

A high-school reunion held at a hotel serves as an excuse for some alumni to resume old relationships and start new ones--sometimes with several people at once.

When Danielle decides to do a story on the life of a sex worker to please her boss and lover Peter, she meets Gage a professional gigolo. She quickly becomes interested in his work and starts to see a change in herself and her life.

A voyeuristic tycoon orchestrates a risky, passion-charged triangle between himself, his right-hand man, and a beautiful executive. Another classy, erotic production from Zalman King

Director Daisuke Goto, the master of the cinematic Pink Eiga, is back with this retelling of the classic film noir, The Postman Always Rings Twice. A married woman, tasked with running her handicapped husband’s failing printing business, meets a drifter and they fall in love. Soon a plan to murder the husband is put into motion and the forces of fate begin to show their hand. Featuring bravura filmmaking, fantastic performances and steamy sex, the Mourning Wife is a worthy follow up for any fan of Daisuke Goto’s masterpiece A Lonely Cow Weeps at Dawn.

A woman, carrying out a project about the sexuality of males and females, is forced to confront a secret from her childhood.

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.

A married couple become involved with a secret society catering to rich people's sexual fantasies.

Tormented by his first sexual stirrings, the teenager Isao dreams every night of his gym teacher Ikuko. He finally opens her heart but she rejects his advances. Frustrated, Isao invents all sorts of stratagies to disgust Ikuko´s fiance, a professor of chemistry in the same school. As his plan fails, he plans a radical solution...and the results turns out to be...

When two young couples, Lisa and Ryan and Jack and Cindy head for the hills for an intimate weekend at a remote country house, things are looking steamy. Unfortunately, while three of them are looking for carnal fun, Ryan is more interested in writing his new book. But the fireworks ignite when the irresistible force of passion confronts the barrier of Ryan's inhibitions. Soon relationships are tested beyond the breaking point and sometimes, the quiet conservative types pack the biggest surprises.

She's tantalizing. Spellbinding. Irresistible. And yet freelance photographer Uemura fights his attraction for the beautiful Mari with all his might. For not only is she the wife of the prominent head of a prestigious hospital, but all of those who've previously had affairs with this sensual succubus seem to have expired prematurely. It's a losing battle, however, and Uemura soon finds himself pulled into the arms of the voluptuous Mari and the jaws of a trap designed to suck men dry and spit out the husks. For it seems that Mari's husband, Ginjiro, is all too aware of who's been sleeping in his wife's bed, and the sexual predation that follows will pull Uemura into a world of bondage and depravity.

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.

A lifeguard gets in over his head when he meets a mobster and his beautiful wife.

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

Frank and Bethany are happily married in a loving but unfulfilled relationship. To satisfy her carnal urges, Bethany begins working night at an upscale brothel - not for the money, but simply for the thrill of it! She lives happily until one night she is recognized by Paul, a client of her husband's business. When Paul threatens to blackmail her, she decides to tell Frank the truth, hoping he will forgive her. But what Frank sees instead is an opportunity to explore his own dark fantasies! Will Bethany's secret ruin their marriage, or open the door for them to a new era of sexual possibilities?

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

Mikage will get married to Youiti next year, she agrees to live with Youiti's parents. One day, Youiti's father disrobed Mikage's Kimono and raped her. To her astonishment, her fiancé Youiti whom Mikage considers true love has an affair with his young stepmother. Shocked and devastated, what will Mikage do?

A cop and his sexually frustrated wife are struggling to keep their failing marriage intact, when by chance she finds that he is at heart a voyeuristic peeping tom. To satisfy him and herself, his wife has numerous affairs, which her husband watches on closed-circuit televison. However, the pair soon learn that when you play with fire, you'll always get burned.