A couple's mutual passion for sex and torture destroys the lives of everyone they encounter.

A married couple's twisted scheme is exposed when they conspire to murder the husband's secret lover.

A husband and wife went to extreme lengths to satisfy their desires by using teens as sex slaves before murdering them.

A pair of teens take their obsessions to the extreme when their romance is threatened by a classmate.

An ex-con and a victim of domestic abuse turn into a modern-day Bonnie and Clyde when their drug-fuelled romance leads to a tri-state killing spree.

When the wife of an Army medic is murdered in her Hawaii home, the investigation reveals a sordid tale of secrets, lies and a twisted romance that captured headlines across the country.

The sudden disappearance of a wealthy couple rattles their small town and launches an investigation that exposes a web of deception, greed and a blood-soaked betrayal.

When two hard-partying lovers fall on hard times they turn to an elderly couple for help, but the older couple's generosity is soon repaid with cold-blooded betrayal.

A one-night stand turns into a romance from hell after a woman learns of her lover's dark and deadly desires.

A loving husband and father goes missing, triggering a police investigation that uncovers an illicit romance fueled by deadly passion.

An Amish community is turned upside down when a young wife and mother is found murdered inside her home, leading police to look deeper within the community, and exposing a secret romance that triggered a deadly conspiracy.

A horrific killing spree leads Pennsylvania investigators on the hunt for two young lovers willing to do whatever it takes to evade the law.

A turbulent love triangle with a deadly turn - leaving behind a dismembered body, and a killer couple pointing the finger at each other in the aftermath.

An Ivy League student and a music producer's criminal activities are discovered when a failed drug deal leads to murder.

In the Mexican desert, two cult leaders' passion for torture and human sacrifice is exposed when they pick the wrong victim.

When murder strikes a generous multi-millionaire, detectives uncover a mountain of family secrets, a history of sexual abuse and greedy young lovers in the centre of it all.

A married woman falls in love with her prison pen pal, but their illicit romance has deadly consequences.

When a wealthy couple falls victim to a deadly home invasion, the search for the killers exposes both a twisted relationship and a family betrayal no one saw coming.

An extramarital affair heats up when two lovers conspire to kill one of their spouses in order to avoid losing everything in a divorce.

The investigation into the brutal murder of a beloved husband and father exposes a web of lies and infidelity.

When a family falls victim to a devastating crime, the search for the killers lays bare a twisted romance and a motive no one can believe.

A couple's dark sexual cravings lead to a series of assaults that only become more gruesome as things heat up.

The passionate romance between two academy-bound high school sweethearts turns deadly when a youthful indiscretion leads to cold-blooded murder.

A lonely military wife and psychologist go searching for sex on the internet, with tragic and deadly results.

A young woman finds herself the target of a murder investigation after she befriends a mystery man who claims to be a secret agent with a license to kill.