Unravel the mysteries of these tense, dark thrillers.
Political drama. Chief whip Francis Urquhart plots revenge against his colleagues.
Soldier Shaun Emery is accused of a crime he denies.
A snap decision at a work party has shocking repercussions for Anna, Nancy, Louie and Cat.
New recruit Jamie gets a crash course on cruise life while looking for his missing sister.
A group of teenagers from Bolton download a mysterious app called Red Rose.
A series of disturbing incidents plague an insular fishing community.
Steve Arnott realises the target in his anti-corruption case is the city's top detective.
Computer whiz Sergei fails to return from new job, alarming girlfriend Lily.
On trial for murder, a defendant sacks his barrister and tells his own story.
Erik visits his identical twin for the first time in years, with fatal consequences.
A charismatic government minister tries to outrun secrets from his past.
A car bomb explodes in Liverpool and Zoe is sent undercover to investigate.
A man wakes up in the Australian outback with no memory and few clues to his identity.
When a sailor is found dead on submarine HMS Vigil, DCI Silva flies out to investigate.
A police raid in Limerick, a dead body in Antwerp and a terrorist bombing campaign.
Dr Watson and Sherlock Holmes meet, and tackle the case of the Impossible Suicides.
DI Perez investigates the mysterious disappearance of a vulnerable young man.
The stage is set for a court case that will divide the nation as an arrest is made.
Journalist Hannis Martinsson returns home to the Faroes after receiving a call for help.
