A young pregnant woman was admitted to the hospital where doctor Agniya Smolskaya works after a serious accident. She was found at night on a country road, almost in the forest. What was she doing in the wilderness at such a time, being pregnant? Surprisingly, in the same forest, not far from the scene of the accident, several bodies of young women have already been discovered. All of them were either pregnant or had recently given birth. The investigation is being conducted by Lieutenant Colonel Artem Karpukhin, who is well known to Agnia from working together in the medical investigation department, and he asks her for a small favor. Agnia herself is expecting her second child, and although now her relatives and colleagues are protecting her in every possible way, she cannot stay away from this matter, which, as it turned out, is mortally dangerous for herself...