Overview: 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.
Overview: Olivia Labinjo and Gary Cunningham bonded over their shared struggles, beginning a relationship marked by vices and violence that ended in one's death.
Overview: 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.
Overview: 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.
Overview: After a decade together, Natalie Hemming hoped to end things amicably with her boyfriend. Her disappearance soon after proved her ex had different plans.
Overview: 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.
Overview: 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.
Overview: 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.
Overview: 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.
Overview: Jayden Parkinson, 17, became trapped in an abusive relationship when she started dating Ben Blakely, an older man who threatened her friends and family.