Best movies like Her Costly Affair

A merciless district attorney prosecutes a case that mirrors his own life.

A professor and four graduate students journey to a crumbling mansion to investigate paranormal activity and must battle ghosts, aliens and satanic entities.

Emma is a busy doctor who sets up a seemingly perfect arrangement when she offers her best friend Adam a relationship with one rule: No strings attached. But when a fling becomes a thing, can sex friends stay best friends?

Paige's crush on her professor takes a twisted turn when she is hired to be the caregiver for his wife who has Multiple Sclerosis.

Kent devises a revenge plan against Laurel, whose husband he believed ruined his marriage, however, his plan becomes deadly once Laurel decides to fight back.

New school headmaster and single mother Kathy discovers her vacation fling with charming 18-year-old Ian was no accident when he transfers to her school targeting Kathy and her teenage daughter Bree in a deadly scheme. Ian wants revenge as he believes Kathy is responsible for splitting up his family ultimately leading to his father's death. Kathy will need to uncover Ian's motives quickly if she hopes to protect herself and Bree from his dangerous threats.

A criminology professor becomes a target herself when she tries to establish the innocence of her star student in a murder.

Carrie is an attractive high school history teacher who one day decides to help a troubled student, taking an special interest for him, unaware of the ruthless and perverse scheme masterminded for her.

When a dutiful, albeit barren Christian housewife discovers that her devout husband has suffered a stroke at a sperm bank where he's been secretly donating his seed for the past 25 years, she leaves her sheltered world and starts off on a journey to find his eldest biological son - a mullet-headed, foul-mouthed ex-con with whom she develops an odd but meaningful relationship.

Revealing women, showing men Dermatology professor Marie-Claire is embarking on a new project linking skin cells and sexuality, when unexpected events disrupt her professional, family and intimate life.

Bright young student Raymond Aibelli is forced to sidetrack an important medical internship because his mother, Susan, is recovering from a broken leg. When he isn't tasked with the most mundane aspects of Susan's recuperation, Raymond finds distraction in a neighborhood girl, Toni Peck. But, as Susan begins relying on her son for both physical and emotional needs, Raymond starts developing disturbing and unwanted new yearnings.

Set over three days, two different couples - each comprising of a teacher and a student - spend a life-changing weekend at the seaside resort town of Scarborough to seek an escape from the constraints of every day life.

Montreal, June 1995. Miron is a young delinquent who parties instead of going to school. His parents, both university professors, force him to move to the countryside in the hope that the remoteness of the city's distractions would allow him to concentrate and eventually succeed in high school. After a week at the cottage, Miron meets Florence, a 73-year-old neighbor. It's love at first sight between the two. Strongly in disagreement with this romance, Miron's parents forbid her to see her beloved 56 years older. But Miron, determined to live this love story to the end, will make every effort to see Florence again.

Spunky and precocious high school senior Mindy Evans spurns her decent, but frustrated boyfriend Bill and has a fling with hunky married nice guy teacher Jack Thompson. Midy finds out that she might be pregnant. While waiting for the results of her pregnancy test, Mindy decides to alleviate the tension by embarking on an impromptu road trip to Big Sur, California with her loyal best gal pal Sandy.

When a volcano expert becomes convinced that a cataclysmic natural disaster is about to unfold, a volcanologist Professor John Shepherd and his graduate students believes that recent unexplainable volcanic activity as all of the volcanoes in the world are going to erupt and kill every living thing on the planet! They try to convince the government that their theory is true not a joke while also trying to figure out how to stop it before time runs out!

After almost 10 years of marriage, attractive Zoe discovers that her marriage lacks passion and surprise, and is seduced by the possibility of finding those sensations already forgotten in her husband's brother. From this premise a series of events lead these three characters to a dangerous game of revenges, secrets and passions. Two brothers and one woman: the triangle is outlined in a disquieting way. It is a bomb that triggers family secrets, the contained rage of desire and the unmanageable power of love. An exciting story that subjugates the viewer from beginning to end. Even though Zoe/Sonia has been married to Ignacio/Ishan for about a decade, they are unable to have children. She wants to be intimate but he prefers to be ready for intimacy on Saturdays only, and she gets physically drawn to his artistic brother, Gonzalo/Rohan. Then things get complicated for her after she tests positive for motherhood and finds that her husband may be gay.

A College professor finds his life unraveling when a new student joins his class, a student who may or may not be the very subject of his darkest secret. His obsession could kill him and his family.

Convinced he'll graduate with honors because of his thesis paper, a stuffy Harvard student finds his paper being held hostage by a homeless man, who might be the guy to school the young man in life.

A reckless night of indiscretion and lust leads a woman into the dark world of blackmail and murder. When revealing photos of her sexual tryst unexpectedly surface, Katy is forced to submit to whatever her tormentors desire.

Sherlock Holmes and Dr. Watson embark on a search for Cleopatra's ancient necklace, which has been stolen.

A young housewife gets involved in the "swinging" scene and discovers that it isn't all it's cracked up to be.

Two drifters attempt to blackmail a gangster's wife.

Maggie and her husband Richard are both college professors and have a daughter, 17-year-old Jenny. Their marriage is falling apart, and when Richard admits to having an affair with a student at the college they both work at.

After suspecting her husband is playing the field, a nervous woman finds a sympathetic ear in the form of a strange man. The drawback is that her sensitive new-found friend is an obsessive psychopath.

In the beautiful underwater reefs off the coast of Florida's pastoral Pajaro Island, a fissure rips open in the ocean floor. When graduate student Greg Chambers encounters the seismic readings, he rushes to tell his professor, Anthony McAlister. Greg suspects that a massive earthquake is about to give the small island a rude awakening. To make matters worse, the epicenter is right under Pajaro Island's new resort, where Anthony's estranged wife Lynn is working. As they drive to warn Lynn, the quake tears through the small town, damaging downtown and leveling several homes. The bridge connecting the island to the mainland is wiped out. Lynn and three others are trapped underground in the resort's utility tunnels. When Greg is killed during a rescue attempt, Lynn is forced to rally the survivors to try and save themselves. With aftershocks tearing through the site, the tunnels growing more and more unstable...

A teacher is arrested and jailed for raping her 13-year-old student, and twice gives birth to his child.

When a university student refuses to sleep with her professor in exchange for good grades, she's in danger of being killed to keep her quiet, and her mother must drop everything to save her.

A young college student, kindly invites her teacher John to stay at her apartment for the night, however, her friend and roommate Christine wants to see everything, so she secretly records it..

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.

Killer and shark-obsessive Bruce Kane is in hiding, masquerading as a shark researcher in the isolated lighthouse where high school student Courtney and her friends have decided to go swimming. After a fling, Courtney can’t shake Bruce from her life and has to take matters into her own hands when his obsession turns deadly.

For Lauren Daniels, life is good. She is happily married to her husband, Tommy, whom she watches excel in the practice of law. But, after learning about his casual fling with his alluring assistant, Cassandra, everything changes. Triggered by Tommy's deceitful actions, Lauren's emotions become unstable and her behavior escalates from bitterness to pure rage. Her plan is to get rid of Tommy, whom she blames for ruining her life. Her scheme takes a dramatic turn when she comes face to face with the killer.

Two bored suburban housewives, neglected by their workaholic husbands, take on a couple of college kids for kicks, then decide to join a wife-swapping club. Complications arise when love, jealousy and resentment arise.

Catherine Gaits, married, has an affair with Peter Thornton and has made it very clear that this one time will stay one time. But Thornton is obsessive and doesn't give up. He blackmails her to try to renew their relationship.

Ashley is a creative writing graduate student who is one thesis away from graduating. Miles Blake, a celebrity murder mystery writer comes to her university to teach. She gets assigned to be his TA, and they strike up a sort of friendship.

Kip's perfect life is put in jeopardy when the waitress with whom he's having a casual fling is accidentally killed in their motel room. Desperate, he turns to childhood friend and loser, Marvin, to help get rid of the body. Marvin agrees which begins the unraveling of their friendship and ultimately leads both to murderous acts they never thought themselves capable of.