Amanda Schmitt was doing her dream job nannying two children. Then, her relationship with the father turns romantic, but they don't get their happy ending. S4/Ep12
A millionaire doctor and his wife enjoyed a glamorous lifestyle. But, behind closed doors, they were troubled by deceit and violence which eventually turned deadly. S5/Ep1
Lindsay and Jason seemed to be on amicable terms after agreeing to divorce. But, a brutal murder suggests there was more to their failing marriage than meets the eye. S5/Ep3
Two men had been best friends since growing up together in California. What caused their relationship to break down in a devastating and bloody way? S5/Ep2
Dianne and Donnie settle down together in a wealthy Chicago suburb. They take the appearance of a power couple, but behind the smiles are horrifying secrets. S5/Ep6
Sandy Miles and her daughter appear to have an unbreakable bond. When Sandy is found brutally murdered, the investigators can scarcely believe what they uncover. S5/Ep7
In Texas, a talented young woman has dreams of becoming a lawyer. But, a whirlwind relationship with her boyfriend leads to a horrifyingly dark crime. S5/Ep10
In Michigan a mother is murdered by her jealous ex-boyfriend. Friends and family examine home video footage and question if there were any warning signs. S6/Ep2
When Doug meets Rose, they quickly fall in love and later marry. But behind the perfect faËcade seen in home videos, lies and deceit begin to surface. S4/Ep5
When outgoing Beth Spaulding and shy Jason Risenburg meet, it seems a perfect match. But a series of disasters rip apart this once-perfect couple. S4/Ep3
On New Year's Eve, Brent Cotta's popular wife, Cassie, mysteriously vanishes. The discovery of a shallow grave leads to the emergence of a horrific truth. S4/Ep2
When Beverly Thompson is found bludgeoned to death in her own home, no one suspects her family. Detectives are puzzled, until CCTV footage reveals someone is lying. S3/Ep12
A video blogger posts every detail of her life online. One night, intruders break in her home and kill her husband. Will her endless videos provide a clue as to why? S3/Ep10
When a father-of-two suddenly vanishes, his friends hint that he led a secret life. But it remains a mystery for years - until a tip reveals the jaw-dropping truth. S3/Ep9
When Terry Thrift vanishes, no one has answers. The mystery of his disappearance - and the salacious betrayal behind it - isn't solved for 20 years. S3/Ep8
Dianne and Donnie settle down together in a wealthy Chicago suburb. They take the appearance of a power couple, but behind the smiles are horrifying secrets. S5/Ep6
In California, an intruder brutally attacks and kills Joan Dawley. Secret home movies uncover a shocking tale of deceit, and a monster lurking behind the scenes. S3/Ep3
In Albuquerque, Mike Snyder starts a family with his partner, capturing it on home video. But after being diagnosed with a serious illness, he vanishes. S2/Ep10
After moving to a remote Colorado town, Ron and Cynthia Phillips and their kids struggle to adjust. But their home videos mask darker impulses that lead to murder. S2/Ep6
When Jeff Silvernail finds his partner dead at home, it appears a burglary gone wrong. But police soon uncover it is, in fact, the ultimate betrayal. S10/Ep8
Five-year-old Audrey witnesses her mother, Diane, brutally stabbed to death. To Audrey's horror, her mother's murderer is somebody very close to home. S10/Ep3
Ann Metz lives for her family. Her husband Marshall despises Ann giving her time to anyone but him, and he will do anything to keep hold of her. S10/Ep2
When Mark-Eric reports that his wife Sherri has had a tragic accident, their world falls apart. However, an investigation reveals a far darker truth. S10/Ep1
Richard wants to have the good life by any means possible. When bad choices lead to a prison sentence, he makes a deadly decision, and his secret is exposed. S9/Ep10
Behind closed doors, India Mackey's relationship with her boyfriend is painful. A day after her 20th birthday, India learns what he is truly capable of. S9/Ep9
Alessia Mesquita falls in love with Rashod Newton. But Rashod's unpredictable behaviour forces Alessia to make a decision that will have deadly consequences. S9/Ep8
Brittany Steier devotes her life to being a mum. But when the father of her children becomes increasingly violent, her decision ends up costing her life. S9/Ep6
Tina Swor and partner John Dalton start a new life in Spirit Lake, Idaho. But John's erratic behaviour and love of guns plague their fresh start. S9/Ep2
Young parents Gary and Tasha Bentley live the good life. But after just five years of marriage, someone plots an exit strategy that ends with a bullet. S8/Ep12
On the surface, police officer Albert Pacheco and his wife Cathy live a charmed life in Hawaii. But this seemingly perfect household is hiding something evil. S8/Ep10
A Delaware mum loves a night out on the town. But what starts as innocent fun will lead this 40-year-old down a very dark path paved with jealousy and deadly rage. S8/Ep9
To grandparents Ron and Kay Wilkson, family comes first. But in 2016, something evil is prowling close to home, and not everyone will make it out alive. S8/Ep8
Ben Renick is a world-renowned breeder of exotic snakes. He's not even 30 and he seems to have it all - until someone he loves hatches a venomous plot. S8/Ep7
Roger Harris and his wife Donna built their dream home in Florida, but just after the birth of their second son, a vile secret threatens their sweet, simple life. S8/Ep6
Popular and outgoing, Rowena aspires to be a teen psychologist. But her dreams turn into a nightmare when a pathological love connection shatters everything. S8/Ep4
In Genoa, Ohio, John Eichner, his wife and kids look like a happy bunch, but behind closed doors a disturbing pattern of torment and gaslighting plays out for years. S8/Ep3
For years, Bill, Stephanie, and their three kids hide their torment while struggling to keep up appearances. But in 2011, the faËcade shatters for good. S8/Ep2
Randy Ferguson's life changes forever when he meets single mother, Angela Phillips. But the beautiful life they build together hides an ugly secret. S7/Ep20
After years of searching for love, Doris thinks she's finally hit the jackpot with an old friend named Mark. But something dark is taking hold of their marriage. S7/Ep18
In Georgia, Heather Strube looks forward to a bright future with her new boyfriend. But one day, a routine trip to the shopping centre shatters everything. S7/Ep16
Property developer Robert Pann and trainee nurse Bernice Gray seem like the ideal match. But buried secrets are about to end this picture-perfect romance. S7/Ep14
Ashley Pittman thinks she met her perfect match when she marries Jeffrey Scott. But behind the closed doors of her new life, a secret threatens to turn deadly. S7/Ep12
After her divorce Joann Albanese meets a new man. But by the time Joann discovers her boyfriend isn't who he claims to be, it's already too late. S7/Ep11
Michelle Lira dreams of being a doctor, until one day a rollercoaster romance steers her life in a different direction, straight into a deadly ambush. S7/Ep8
In 1997, 78-year-old Jean Schwarzkopf was murdered in Florida. The retiree's husband owned a jewellery business, was she murdered for her diamonds? S6/Ep9
In Michigan a mother is murdered by her jealous ex-boyfriend. Friends and family examine home video footage and question if there were any warning signs. S6/Ep2
In 1991, a seemingly close-knit family is destroyed by a series of brutal killings by one of their own. What could have caused this murderous betrayal? S6/Ep5
In Knoxville, Tennessee, a seemingly perfect couple were secretly living a nightmare. The wife was found guilty of soliciting her new partner to kill her former husband. S6/Ep3
A Utah family is torn apart after a disgruntled ex-husband, unable to move on, comes looking for revenge on his former wife after she gets remarried. S6/Ep1
In Texas, a talented young woman has dreams of becoming a lawyer. But, a whirlwind relationship with her boyfriend leads to a horrifyingly dark crime. S5/Ep10
A couple raise their children in an idyllic rural town. But, their quiet lives are turned upside down when two of the family are found brutally murdered. S5/Ep9