Turning the traditional investigative drama inside out, each season of this gripping Welsh mystery starts with a shocking murder before immediately rolling back 35 days to follow the chain of events that lead to that fateful day.

DI Tom Thorne (David Morrissey) finds himself dragged back into the nightmares of his past as he races against time to find a serial killer who carries out unusual attacks on young women.

From cold, rock-strewn moors to comfortable suburban estates, award-winning writer Ruth Rendell explores the dark fissures between friends and family members that motivate murder.

Reversing the traditional investigative narrative, the crime thriller immediately flashes back to 15 days ago when a young man is gunned down. Secrets and lies fester within the family, every one’s got a motive, but who is going to do it?

From Anthony Horowitz, this investigative mystery follows an unlikely pair of junior investigators forced to team up against a new breed of criminal: uber-rich and powerful corporations, individuals, and governments who hide behind legitimate facades.

Heading up a new team to crack a double murder that has other forces stumped, Thorne finds himself on the hunt for not one, but two serial killers.

This original sci-fi mystery follows Inspector Borlú of the Extreme Crime Squad as he investigates the enigmatic murder of a student from a bordering city shrouded in secrecy.

A crack detective team led by Detective Superintendent Peter Boyd apply new techniques to nightmarish old crimes as they solve cold cases.

Instead of spending her golden years lying down, the indomitable Hetty Wainthropp found her calling late in life. Combining common sense, her husband, and her pocketbook, this senior sleuth takes on all the cases the police deem too minor.

Brenda Blethyn stars in this massive hit mystery based on the novels from award-winning author Ann Cleeves. Obsessed with her work, DCI Vera Stanhope deftly investigates murders only she can solve.