Five figures gather 'round a shallow grave. They had all taken turns to dig. An adult-sized hole would have taken longer. An innocent life had been taken, but the pact had been made. Their secrets would be buried, bound in blood. Years later a headmistress is found brutally strangled, the first in a spate of gruesome murders that shock the Black Country.

When two young girls disappear from their primary school, the village of Heighington is put on high alert - and not for the first time. Called in to investigate, Detective Karen Hart is sure that parallels with a previous disappearance are anything but coincidental. DS Hart is still reeling from a case she tried and failed to solve eighteen months ago, when a young woman vanished without a trace. She’s no nearer to the truth of what happened to Amy Fisher, but with two children missing now, too, the stakes have never been higher.

When a body is found in a locked house, Detective Sergeant Jessica Daniel is left to not only find the killer but discover how they got in and out. With little in the way of leads and a journalist who seems to know more about the case than she does, Jessica is already feeling the pressure - and that's before a second body shows up in identical circumstances to the first. How can a murderer get to victims in seemingly impossible situations and what, if anything, links the bodies?

A young woman is brutally attacked on her way home. It looks like she was the victim of a jilted—and twisted—ex-lover. But then two more women, also engaged to be married, are found dead. The press call the killer the "Surrey Stalker". And there’s a stack of similar cold case files. The pressure is on for young, ambitious DI Rob Miller. But with all the time he’s spending at the office, Rob’s also running a fine line trying to keep his fiancée, Yvette, onside as they try to plan their wedding.

Three women have been found brutally murdered in south London, the victims only feet away from help during each sadistic attack. And the killer is getting braver.... Sarah Grainger is rapidly becoming too afraid to leave her house. Once an outgoing photographer, she knows that someone is watching her. A cryptic note brings everything into terrifying focus, but it’s the chilling phone calls that take the case to another level. DI Mike Lockyer heads up the regional murder squad. With three bodies on his watch, and a killer growing in confidence, he frantically tries to find the link between these seemingly isolated incidents.