Aurora lives with her mother and younger brother in Kyiv. Their dad is a soldier in the Ukrainian Armed Forces and is at the frontline. It's winter, and because of frequent power cuts, their mother takes the children to the village for a while. Aurora doesn't like it: she likes to play Roblox more than anything else, and her grandfather doesn't have internet. Bored, the girl accidentally finds her mother's old diary and plunges into the story of her old summer...