As winter settles over Yorkshire DCI Emma Gardner is hoping that work will calm down for everyone. Distracted by the continued disappearance of DI Paul Riddick Emma can't seem to get her head back in the game. But when a human skull is discovered in a local pub Emma knows it's time to get a grip. With no one local reported missing and with no body to be found the team have their work cut out and no obvious clues to follow. Who could the skull belong to and what message is the killer trying to leave them? And then the first body is found. . . As Emma and the team try desperately to identify the body and the killer secrets from the past begin to reveal themselves. A home for single mothers. Babies who tragically didn't make it. A coverup at the highest level. With the clock ticking winter has one final cold reveal for Emma. Her old friend Riddick. . .