A Traitor's Heart

Set against the icy streets of 1952 Leningrad, this gripping tale follows former militia lieutenant Revol Rossel and Major Nikitin as they pursue the elusive killer Koshchei, whose murders are shrouded in mystery and folklore. Alongside aviator Tanya Vasilievna, they uncover riddles linked to Hitler's bunker, ancient texts, and a secret weapon coveted by Stalin's inner circle. As their investigation deepens, they realize that the killer’s identity and their own survival are intertwined in a complex web of secrets from the Soviet past.