Rebecca Thudin was a successful, driven woman who seemed to live the perfect life. But, after meeting an older man at the gym, her life takes a dramatic turn. S4/Ep6
Carol-Ann and James Sharp seem like the perfect couple. But behind the veneer of happiness in home movies lie dark secrets - and an unlikely killer. S4/Ep7
In a small town, the lives of two couples are unravelled by a series of betrayals, deceit and violence. How did a love affair result in a crime of passion? S4/Ep8
When Dr Jim Kohnle is found dead in a fire at his family home, evidence and tip-offs lead police to question if it was an accident, suicide or murder. S4/Ep9
Todd and Rachel Winkler seemed to be a happily married couple. But, behind closed doors, the couple faced many issues and it eventually led to a brutal murder. S4/Ep10
Arthur Burney was a fun-loving, protective father and grandfather. But, one day he walks out on the family after falling in love with another woman. S4/Ep11
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
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 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
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 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
In Colorado, the idyllic life of spouses Harold and Toni Henthorn is shattered by a deadly hiking accident. But their happy home videos conceal a deadly predator. S2/Ep5
Rogelio Morales sweeps Margarita Sanchez Lemus off her feet. Behind Rogelio's winning smile lurks a monster who will soon show his true colours. S10/Ep7
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
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
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
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
When Lanny Horwitz is found murdered in his own home, it unleashes a shocking tale of jealousy and infidelity, leaving every member of the family a suspect. S3/Ep5
After taping their TV show in rural Vermont, Chrissy and Charlie Billis have a terrible car accident. Only one survives. Do tapes offer a clue to what happened? S2/Ep4
When Frank Hilley is struck down by a mysterious sickness, the town of Anniston grieves. But suspicions arise after his daughter also falls seriously ill. S2/Ep2
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
Laurie Bursey believes she's finally found happiness in bad boy Kurt Bird. But when Kurt's violent side comes to light, happiness becomes fear. S10/Ep6
Tymeir shines as the loving son, but his brother Rodney's jealousy boils over, driving him to a hideous act of violence that tears their family apart. S11/Ep9
After a violent knife attack results in a man's death, his wife claims she was the victim of an abusive relationship. His phone will reveal the truth. S10/Ep5
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
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
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
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
Twenty-one-year-old mother, Lauren Kidd, always follows her heart. It leads her to happiness, but there's a darkness lurking that no one can stop. S7/Ep15
Ramon Sosa is a father of three who runs a successful boxing gym in Texas. He feels like the luckiest man alive until someone marks him for murder. S7/Ep13
Stephanie is a gifted stage performer and much-loved teacher. But behind closed doors, resentment and envy fester in her marriage, leading to a shocking 911 call. S7/Ep7
Joseph Green Brown was on death row for 13 years before his convictions were overturned. Decades later, he would be charged for the murder of his wife. S7/Ep1
In 2014, 19-year-old Keonte Chavis was murdered and left in the woods in Seale, Alabama. With little forensic evidence, police turned to her relatives. S6/Ep10
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
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
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