`Have I really found myself in a den of evil spirits?!’ - Pashka asks himself with horror, without even having time to really look around the small provincial town. What else can one assume if exactly a year ago one of the local houses disappeared under water, and since then, they say, every evening its reflection appears on the surface of the ominous Black Lake? Of course, all this could just be a local legend, but when you are pulled under the water by an unknown force, and in the depths you can see the face of a mermaid, you will inevitably believe in all sorts of devilry. In the ghostly moonlight, hundred-year-old trees turn into giant monsters, surround Pashka in a dense crowd and stretch out their gnarled hands to him...