Summer is Not Forever

For a year now, Ulyana Zheleznjak has been working as the director of the "Orion" guesthouse. Suddenly, an emergency occurs: a guest goes missing without a trace. In his car, left on the guesthouse grounds, there are ancient tiles. Meanwhile, in the apartment of the murdered collector, they find similar tiles arranged in a mysterious puzzle...
Ulyana Zheleznjak investigates this case together with investigator Bogdanov, but their tangled relationship complicates the unraveling of the difficult puzzles. Gradually, they realize that the traces of the crime lead to the abandoned estate Tish-na-Toske, where a mysterious light burns at night...