A decades old case . . . When the body of a young girl is found exhumed from her grave, DCI Emma Gardner knows there's more to this grisly find than just misadventure. Penny Maiden was killed in a hit and run accident forty years ago, and her killer was never found . . . Could someone be trying to right an old wrong? A DI on the rails . . . Determined to bring a dangerous gang of drug dealers to justice, DI Paul Riddick is trying hard to play by the rules. After his previous reckless actions, he knows this is his last chance to stay in the job he loves. But when his private life takes an unexpected turn, Riddick begins to lose control again. Emma needs Paul to help her with her case, especially when more bodies are found in the same graveyard. But hurt badly by Riddick once before, Emma's not sure she can trust him again. But as Paul's behaviour begins to spiral even more, Emma worries she may have left it far too late to save her old friend Riddick from his own destruction . . .