Agitator Snezhana was about to press the bell button for the last apartment on her list, but the door suddenly opened and a man was standing on the threshold. The girl was frightened by his evil face and rushed down the stairs, the man following her. Fear drove Snezhana faster than her pursuer. But, without suspecting it, the girl witnessed a serious crime - she saw the killer. But such dangerous witnesses are not left alive. Snezhana’s already difficult life from that moment became even more complex, unpredictable and dangerous...