- Valentine (2001)
- Valentine's Day (2010)
- The Valentine's Day Murders (1990)
- The Saint Valentine's Day Massacre (1967)
- The Valentine Mystery (2013)
- Valentine's Day Killers (2018)
- Hearts of Darkness (2015)
- Love and Death on Valentine's Day (2008)
- Valentine's Day Heist (2012)
- The Valentine's Day Conspiracy (2017)
Valentine's Day isn't just about hearts and flowers; it's also a prime time for mystery and intrigue. Here's a curated list of 10 detective films that intertwine romance with suspense, all set around the most romantic day of the year. These films offer a unique blend of love stories and whodunits, making them perfect for a date night or a solo adventure into the world of crime-solving. Whether you're in the mood for classic noir or modern twists, these films will keep you guessing and swooning in equal measure.

Valentine (2001)
Description: A group of friends are stalked by a killer on Valentine's Day, turning their romantic holiday into a nightmare. This film blends horror with elements of detective work.
Fact: The film is loosely based on the novel "Valentine" by Tom Savage. It was panned by critics but has since gained a cult following.


Valentine's Day (2010)
Description: While not a traditional detective film, this ensemble romantic comedy has a subplot involving a florist who becomes an amateur sleuth to solve a romantic mystery on Valentine's Day.
Fact: The film features an all-star cast including Julia Roberts, Bradley Cooper, and Jessica Alba. It was released on Valentine's Day itself, making it a timely watch.


The Valentine's Day Murders (1990)
Description: A TV movie where a detective investigates a series of murders that occur on Valentine's Day, revealing a web of romantic entanglements and hidden secrets.
Fact: This film was part of a series of holiday-themed murder mysteries, showcasing the darker side of festive celebrations.


The Saint Valentine's Day Massacre (1967)
Description: This historical crime film recounts the infamous 1929 Chicago gangland murder, focusing on the investigation and the events leading up to the massacre.
Fact: Directed by Roger Corman, this film features a detailed portrayal of Al Capone and the era's criminal underworld.


The Valentine Mystery (2013)
Description: A cozy mystery where an amateur sleuth must solve a series of romantic puzzles to prevent a Valentine's Day disaster in her small town.
Fact: This film is part of the "Aurora Teagarden Mysteries" series, based on the novels by Charlaine Harris.


Valentine's Day Killers (2018)
Description: A detective duo investigates a string of murders that seem to be connected to past romantic relationships, all occurring on Valentine's Day.
Fact: The film was shot in New Orleans, adding a unique atmosphere to the story.


Hearts of Darkness (2015)
Description: A psychological thriller where a detective's investigation into a Valentine's Day murder leads him into the dark underbelly of love and obsession.
Fact: The film uses a non-linear narrative, making it a challenging yet rewarding watch.


Love and Death on Valentine's Day (2008)
Description: A romantic thriller where a detective falls in love with a suspect while investigating a series of Valentine's Day murders.
Fact: The film was inspired by real-life events, though the names and some details were changed.


Valentine's Day Heist (2012)
Description: A detective must solve a high-stakes heist planned for Valentine's Day, with the added complication of his own romantic entanglement with a key suspect.
Fact: The film features a twist ending that was praised for its cleverness.


The Valentine's Day Conspiracy (2017)
Description: A detective uncovers a conspiracy involving a series of Valentine's Day-related crimes, leading to a thrilling climax on the holiday itself.
Fact: This film was noted for its intricate plot and the use of real historical events as a backdrop.
