Movies like Knock Knock

Simon and Robyn are a young married couple whose life is going as planned until a chance run-in with Simon's high school acquaintance sends their world into a tailspin.

After witnessing a mysterious woman brutally slay a homemaker, prostitute Liz Blake finds herself trapped in a dangerous situation. While the police thinks she is the murderer, the real killer is intent on silencing her only witness.

A man who loves games and theatre invites his wife's lover to meet, setting up a battle of wits with potentially deadly results.

A $10-million diamond rip-off, a stolen identity, a new life married to a diplomat. Laure Ash has risked big, won big. But then a tabloid shutterbug snaps her picture in Paris, and suddenly, enemies from Laure's secret past know who and where she is. And they all want their share of the diamond heist. Or her life. Or both.

A married woman and her lover plot to kill her husband to make off with the insurance money. However, their attempt to murder him using poisonous fish toxins backfires in surprising ways.

In the late 1950s, British police officer Tony Aaron resigns from the force after sleeping with Hazel, wife of the man whose house he was supposed to guard. In his new job as a fake private investigator, he helps couples get divorces by photographing Hazel having "affairs" with the husband. When she is murdered during a job, Tony begins having an affair with the dead man's mistress, Angeline, while trying to prove his innocence.

Harry Mitchell is a successful Los Angeles manufacturer whose wife is running for city council. His life is turned upside down when three blackmailers confront him with a videotape of him with his young mistress and demand $100,000. Fearing that the story will hurt his wife's political campaign if he goes to the police, Harry pretends that he will pay the men, but does not follow through.

A voluptuous black woman takes a job as a high-class prostitute in order to get revenge on the mobsters who murdered her boyfriend.

A journalist goes undercover to ferret out businessman Harrison Hill as her best friend's killer. Posing as one of his temps, she enters into a game of online cat-and-mouse.

An ex-mercenary known for finding missing children is hired by a mixed martial arts fighter whose daughter has been kidnapped.

The discovery of a severed human ear found in a field leads a young man on an investigation related to a beautiful, mysterious nightclub singer and a group of psychopathic criminals who have kidnapped her child.

On a quiet suburban street tucked within a 'safe neighborhood', a babysitter must defend a twelve-year-old boy from strangers breaking into the house, only to discover that this is far from a normal home invasion.