Keith Philpott was a much-liked member of his community, but became the victim of a gruesome murder. Detectives uncovered a revenge plot built on lies.

The killing of 18-year-old father Jon-Jo Highton, who was ambushed by a gang and murdered after a night out. There were multiple suspects - but which one committed the crime?

The murder of Stephen Whitehead, who was found bludgeoned to death at work, leading police to suspect a burglary had gone wrong. But was the killer in fact a colleague harbouring a deadly grudge?

The body of a decapitated woman found in a seaside resort sparks panic. CCTV footage reveals the murder took place 200 miles away and the body was transported there in a suitcase..

When 30-year-old Natalie Harker didn't arrive home after her early morning cleaning shift, her family reported her missing. What followed revealed a killer who plotted his crime for weeks.

A couple escape from a burning car tumbling down a hill, but suffer life-threatening burns. Detectives discover the occupants were victims of a murder plot inspired by a movie.

A young man on his way home from work is doused in petrol and set alight. At first the police believe it was an unprovoked attack, but then a different picture emerges.

In this first episode: When Clair doesn't show up to tend to her horses, a concerned friend calls her father to check on her at home. Letting himself in, he makes a devastating discovery: she has been murdered. A popular member of the community, who would want to harm her? When police find Clair's mobile phone they uncover a secret relationship… and a suspect.