"Moscow, 1956. A society trying to recover from a time when the police were corrupt and the innocent arrested as criminals. Detective Leo Demidov, former Secret Police Officer, is forced to ask whether the wrongs of the past can ever be forgiven. Trying to solve a series of brutal murders that grip the capital, he must decide if this is savagery or justice. 'Tom Rob Smith has created another insanely exciting story' ""Independent On Sunday"""