A Polish shopkeeper is murdered in Lichfield and all the evidence points to disgraced ex-DI Potter – the man the Lichfield Murder Gang helped to bring down. Now the gang face the toughest of challenges: proving his innocence. But as they dig into Potter's corrupt past, they uncover secrets someone will kill to keep hidden. Enemies on both sides of the law close in. Time is running out. And if they fail, the real murderer walks free. However even the truth won't set them free – instead it might well get them killed!