“They knock out a wedge with a wedge,” says my grandmother. And I tried so hard so that my friend Lerka, who experienced unhappy love in the fall, did not follow this saying. As luck would have it, on New Year's Eve, a friend meets a young man who gives me strange fears. And they are not groundless: sometimes I come across creepy discoveries, sometimes I constantly feel like someone is watching us. Well, I have to start surveillance myself. After all, now only I can prevent the tragedy...