When the chief suspect in the notorious "peekaboo cop killer" case blew himself up, almost taking lead investigator DCI  Duncan Bone with him, the psychologically damaged detective thought his days on the force were over. But, when another PC is abducted and murdered in the same deranged peekaboo fashion, Bone is persuaded to return to lead the new investigation.

DI Tudor Manx was hoping for a quiet life. But his hopes are dashed when there's a gruesome find - a mutilated body, crucified to the bow of a fishing boat. Is this a message or a macabre premonition? Manx's past still haunts him - the disappearance of his younger sister, Miriam: a cold case that remains unsolved. Can he work it all out before the body count rises?

A frozen street performer turned serial killer eludes the FBI and escapes to Paris—where he kills again, luring tourists into his trap—and FBI Special Agent Juliette Hart is dispatched across the world to hunt him down. Juliette’s brilliant mind and European upbringing make her the perfect agent for this case, but being back in Europe resurrects her dark past, and this killer is more diabolical than anyone imagined.

What if some secrets were never meant to stay buried? When a parish priest is brutally murdered in cold blood, a rural community is left in shock - and fear. New to the Vale of the White Horse, Detective Sergeant Mark Turpin discovers the murder bears the hallmark of a vicious killer who shows no remorse for his victim, and leaves no trace behind. After a second priest is killed, his broken body bearing similar ritualistic abuse, the police are confronted by a horrifying truth - there is a serial killer at large with a disturbing vendetta....

Charming film writer and director Geraint Denbigh is found lifeless in the garden of his Welsh home. It looks like he fell from a window, but eagle-eyed Detective Chief Inspector Matt Lambert soon finds irregularities in the crime scene. Before long he determines it was murder. Recently retired, the victim was writing about his eventful life and many of his former colleagues and associates could have had reason to stop him before he spilled the beans on their transgressions.