Alice Ruggles and Harry Dhillon's relationship was riddled with red flags. But when she decided to end things, her spurned lover became her stalker.

Olivia Labinjo and Gary Cunningham bonded over their shared struggles, beginning a relationship marked by vices and violence that ended in one's death.

When hairdresser Hollie Gazzard cut ties with her lover, what was supposed to be a normal day of work at the salon turned out to be her last.

Keely McGrath seemed to build a happy home with business owner Tony David, but after he discovered her secret, the truth about his character emerged.

After a decade together, Natalie Hemming hoped to end things amicably with her boyfriend. Her disappearance soon after proved her ex had different plans.

Evie Adams longed to re-create the happy, loving family she'd found in her adoptive parents, but the man in her life wanted only to destroy it.

Author Helen Bailey fell in love with widower Ian Stewart, but her happy ending was not to be. While she planned their wedding, he plotted her murder.

Guida Rufino longed to be a mother, and after meeting Tony Roberts online, they had a baby. But his history of violence would shatter the relationship.

Christine Lee and her daughters found a safe haven at John Lowe's puppy farm, but what started as a dream come true ended years later in gun violence.

Jayden Parkinson, 17, became trapped in an abusive relationship when she started dating Ben Blakely, an older man who threatened her friends and family.