A young teenager falls in love with a senior at her high school; the two take extreme measures to keep their relationship secret, but, when it is threatened with exposure, they vow to stay together, whatever the cost.

A married man embarks on a forbidden relationship with his 14-year-old babysitter, then his wife finds out, and he will stop at nothing to keep his affair secret from the police.

When Montreal teenager Zainab Shafia meets Ammar Wahid, it's love at first sight, but their relationship is forbidden by her strict father who will stop at nothing to ensure his daughter obeys his rules of honor.

Iraqi-American teenagers, Noor and Marwan, are from feuding households, but they fall in love despite Noor's family's opposition.

A teenage girl falls hard for an NYPD officer; he promises to make all her dreams come true, but when affairs of the heart are complicated by the letter of the law, someone will pay the price.

A Christian woman's faith is tested when she falls in love with a charming new female coworker; as the lovers fight for their love in a community that doesn't want them, the pressure proves to be too much, and the consequences are deadly.

A teenage boy's traditional parents try to keep him away from his girlfriend by moving him to another country, but the distance only serves to make his heart grow fonder, and he will stop at nothing to be reunited with his girl.

Forbidden to date, a teenage girl gets swept off her feet by an older man; the couple vows to keep their whirlwind romance a secret at all costs, but an unplanned pregnancy threatens to derail their plans, and they take drastic action.

A decorated U.S. Marine falls for a married woman; suspicion and jealousy plague their affair, and the stakes are so high, they'll stop at nothing to keep it hidden from their spouses.

A rookie police officer meets a beautiful exotic dancer; he keeps secrets from his sergeants and his new girlfriend, and he'll stop at nothing to keep his double life secret.

Love and tradition collide when a young woman falls for a handsome stranger; she knows she must keep her relationship hidden from her orthodox father and protective brother.

When high school senior Michelle Miller joins the Future Soldiers program, she sees it as the first step to realizing her dream of enlisting in the U.S. Army, then an affair with her recruiter puts her future in jeopardy.

An affair between a married pastor and a member of his flock takes a shocking turn when he proposes a polygamous relationship with his wife; an unexpected arrival threatens their pledge of secrecy.

A lonely married mother of three finds comfort in the arms of her church's charismatic new minister, but danger looms in the form of a jealous love-rival.

A Christian couple open up their home to a young woman who needs help; however, their act of charity has unexpected consequences when emotional support gives way to physical attraction, and a lustful affair turns deadly.

In a West Virginia jail, an inmate finds love with a guard, but it comes at a tragic cost.

A young college student enters into a secret affair with a police officer.

A fortuitous arrest leads to the identification of a new suspect in a young woman's unsolved murder, then an explosive confession of forbidden love causes everyone to reevaluate everything they know about the case.

A Texas woman enters into an affair with her daughter's grandfather, causing a major rift in the family and eventually leading to a bloody showdown.

Teenagers keep their high-school romance a secret from a domineering father with traditional values; when the truth comes out, a heartbreaking choice between love and family brings devastating consequences.

A woman searching for acceptance from her family unexpectedly finds passionate love with her uncle; when their families turn on them, they flee to start a new life in paradise.

From blushing brides turned cold-blooded killers to smitten grooms with shocking dark sides, "Fatal Vows" examines the criminal psychology behind deadly divorces. Guiding viewers through actual stories of love gone wrong are psychotherapist Stacy Kaiser and forensic/clinical psychologist Dr. Brian Russell, who examine each couple to better understand how the marriage turned from flawed to fatal. Stylized re-enactments are supported by interviews with family, friends, law enforcement, and potential victims of the crime, while Kaiser and Dr. Russell provide analysis on unions that break down until divorce and murder collide.

Premeditated crimes committed by people motivated by love.