A young St. Petersburg artist has always painted bright pictures full of joy and light, but now in her studio there are more and more canvases that she herself is afraid to look at. She doesn’t remember how she worked on them, and more and more it seems to her that someone else has taken up residence beside her.
What’s the cause: a mental illness or someone’s bad influence? Or could something supernatural really have appeared in her apartment? Wojciech and his friends have to figure it out. This time the stakes are very high: either they will save the girl, or they’ll die together with her.