In Stalins Soviet Union crime does not exist. But still millions live in fear. The mere suspicion of disloyalty to the State the wrong word at the wrong time can send an innocent person to his execution. Officer Leo Demidov an idealistic war hero believes hes building a perfect society. But after witnessing the interrogation of an innocent man his loyalty begins to waver and when ordered to investigate his own wife Raisa Leo is forced to choose where his heart truly lies. Then the impossible happens. A murderer is on the loose killing at will and every belief Leo has ever held is shattered. Denounced by his enemies and exiled from home with only Raisa by his side he must risk everything to find a criminal that the State wont admit even exists. On the run Leo soon discovers the danger isnt from the killer he is trying to catch but from the country he is trying to protect.