Lisa is nine years old and tries her best to be an ordinary girl. She spends the summer in a warm region with her grandparents. But one day everything starts to change. Quite by accident, the girl gets the Sparrow object, the power of which she has yet to discover. A quarrel with a friend, the divorce of her parents is just the beginning of a series of events in which Lisa is involved. She awaits the discovery of a terrible truth about her best friend, but the main thing is that a girl with a group of adults finds herself in the middle of a snowy nightmare, which very soon turns into a bloody nightmare. Harsh nature, cruel shamanic rituals, clashes between powerful corporations - all this is closely intertwined in the small Far Eastern town of Chernovodsk. Behind which is the ocean and shelf.