Investigator Sergei Smirnov, must return to the city of his childhood to investigate some high-profile murders. In Crystal city, there is a maniacal pedophile on the loose. Not only does he torture and kill children, he does it in a devious, brutal way. Sergei is the best in his field, so he entrusted with the investigation. Sergei has a complex character; the hero has obviously been through a lot, and his most terrible secrets are buried here, in Crystal city, where Sergei was born and raised.

改编自丹尼斯·德拉贡斯基的小说 «Дочь военного пенсионера»。
上世纪90年代中期，当死刑仍被允许使用时，一位新员工加入了一所特殊监狱。和他的同事们一样，科斯佳也要执行死刑。但他对正义有着特殊的看法。在会见了一名受害者的父亲后，科斯佳意识到只有亲人才有权利执行惩罚。此外，还能从中捞一大笔。我们的主人公做梦也想不到，一个母亲会为了杀死强奸她女儿的罪犯而给出这么多钱。科斯佳得到了看守、检察官和狱医等同事的支持，发明了一项新业务--把处决死刑犯的工作外包出去。但很快他就发现，金钱和正义是不相容的。只要有赚钱的机会，就总会有人愿意在原则问题上妥协......