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.

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.

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.

Drama series centred around Rome detective Aurelio Zen, who finds it tough being the only honest cop in town. Plotting politicians, a stressed-out boss and vengeful gangsters don't make it easy.

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.