Infidelity is a common theme in cinema, but when horror elements are added, it takes on a whole new level of terror. This curated list of 10 horror films explores the dark consequences of betrayal and deceit, where love turns into nightmares. Each film in this collection not only entertains but also serves as a cautionary tale about the perils of straying from the path of loyalty.

The Hand That Rocks the Cradle (1992)
Description: A nanny with a hidden agenda infiltrates a family, driven by revenge for her husband's infidelity, leading to a tense and horrifying climax.
Fact: The film was one of the top-grossing films of


The Skeleton Key (2005)
Description: A nurse discovers dark secrets in a Louisiana plantation house, where voodoo and infidelity intertwine to create a chilling atmosphere.
Fact: The film was shot on location in New Orleans, adding to its eerie authenticity.


The Descent (2005)
Description: While primarily a creature feature, the film delves into the psychological horror of betrayal among friends, with infidelity as a catalyst.
Fact: The film has an alternate ending in some international releases.


The Strangers (2008)
Description: A couple's night turns into a nightmare when masked strangers invade their home, with the underlying tension of infidelity adding to the horror.
Fact: The film was inspired by real-life events, including the Manson Family murders.


The Other Woman (2014)
Description: While not traditionally a horror film, this comedy-drama turns into a psychological thriller as three women plot revenge on their shared lover, exploring themes of betrayal and vengeance.
Fact: The film was a box office success, grossing over $207 million worldwide.


The Invitation (2015)
Description: A man attends a dinner party hosted by his ex-wife, where the evening's events spiral into a psychological horror about trust and betrayal.
Fact: The film was shot in a single location to enhance the claustrophobic atmosphere.


The Perfect Husband (2014)
Description: A woman's perfect life unravels when she discovers her husband's dark past, leading to a psychological horror of betrayal and fear.
Fact: The film was originally a Lifetime TV movie.


The Unfaithful (1947)
Description: This classic film noir tells the story of a man whose wife's infidelity leads to murder, blending elements of horror with psychological tension.
Fact: The film was remade in 2002 with Richard Gere and Diane Lane, titled "Unfaithful."


The Stepfather (1987)
Description: A man with a history of marrying and then murdering his stepfamilies moves in with a new family, exploring themes of betrayal and identity.
Fact: The film was remade in 2009 with Dylan Walsh in the lead role.


The Babysitter (2017)
Description: A teenage boy discovers his babysitter is part of a satanic cult, exploring themes of trust, betrayal, and the dark side of youth.
Fact: The film has a sequel titled "The Babysitter: Killer Queen."
