When Anthony Anastasi moves his mistress Jacqueline Riggs into the family home, his wife Ann Marie Anastasi hatches a cruel plot to deal with them both.
Nevada's first female state controller, Kathy Augustine, falls for a male nurse after the death of her husband. When that marriage breaks down, Chaz Higgs has designs on her wealth.
Denise Williams believes she and her love, Brian Winchester, have committed the perfect murder, the death of her husband Mike, who's believed to have been eaten by alligators.
George and Kelly Worgan appear to have the perfect family life in their home in Avonmouth, but despite everything appearing fine on the surface, they like most couples have their troubles, one day, George snaps and kills his wife.
Father of 3, George Young is shot dead on his doorstep, leaving behind his wife Tia, and house guest Tim Lee, Tia is quick to claim George's insurance policy.
Having escaped trouble and turbulence in South Africa, David and Melanie Clark settle in Bromsgrove, but after a decade of marital problems, David snaps, and kills his wife.
In Elgin in Moray, Scotland, mum of two Arlene Fraser vanishes, leaving her ironing half done, Police believe her husband Nat has a hand in her disappearing.
When Doctor Brian Burns and Wife Carla holiday in Costa Rica, they witness a beach cremation, little knowing that years later he'd kill her, and burn her body.
Having left behind their lives in Brazil, Aliny and Ricardo Gorinho settle in Surrey, but behind closed doors the couple had a troubled marriage, with Aliny living in fear. When the marriage breaks down, Aliny is tragically killed.
Sana Muhammad and Ramanodge Unmathallegadoo leave behind a life in Mauritius, for one in The UK. When their marriage breaks down Ramanodge takes the life of his younger wife.
Bill and Frances Hill's marriage runs into trouble, when he starts seeing exotic dancer Bonnie Contreras, after the three year affair, Bill is killed, by being knocked off his Harley Davidson.
Glyn Dix was in jail for murder when he met Hazel Denver, and they marry as soon as he's released. But it turns out that some people really don't change
Micah Rine was a good Christian girl, and she thought her husband Thomas Pate was equally devoted to God. In fact, nothing could be further from the truth.