Upcoming episodes, programme details and where to watch over the next seven days. All times are UK time.
When Iain and Sally Lawrence met, he thought she would bring him wealth and status. But when the relationship crumbled, Iain became desperate for a big pay-out. S2/Ep1
When 80-year-old Lea Adri-Soejoko took Rahim Mohammadi under her wing, she had no idea how much he resented her. Until one day, he snapped and attacked her. S2/Ep5
Natalie and Paul had a seemingly idyllic relationship. But when she suddenly disappears, the investigation uncovers a dark reality of control and violence. S4/Ep2
The disappearance of Denise Williams' husband leaves her devastated. But, when his mother investigates, she discovers the heart-wrenching truth of his demise. S4/Ep4
On a stormy night in Memphis, Micah Rine Pate mysteriously disappears, leaving behind unanswered questions and a husband whose story just doesn't add up. S4/Ep8
17-year-old Jayden Parkinson was attracted to the bad boy allure of Ben Blakeley. But he started to lead her down a chaotic path that resulted in her disappearance. S4/Ep1