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.

A young couple becomes the target of a nation-wide manhunt after police connect the deadly lovers to two grisly murders in different states.

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 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.

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.

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.

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

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

A senseless killing leads investigators on a manhunt to uncover the dark and bloody truth behind a couples' deranged ménage à trois.

A beloved Oklahoma father is discovered murdered inside his home and the search for his killer uncovers a forbidden romance and a deadly double-cross.

A modern day Bonnie and Clyde embark on a two-month, multi-state crime wave that sends shockwaves across the country.

An escaped victim of the famous Toy Box Killings exposes a couple whose extreme tastes for sadism and death would shock the nation.

A desperate couple kidnaps a wealthy businessman, which leads to murder. Single, low-income mother Nancy falls in love with wealthy Danny, with serious consequences: his wealth is the product of crime.

A twisted sense of justice leads a pair of demented newlyweds to lure an unsuspecting victim on Craigslist.

The son of a wealthy film producer is discovered stabbed to death in his Beverly Hills mansion, possibly the victim of a deadly love triangle.