The radiance of white northern nights, bottomless mirrors of lakes with a pile of gray boulders, the majestic walls of an Orthodox stronghold erected on the ruins of an ancient pagan sanctuary, scary legends of the Russian North - this is what awaited Nora, who came to spend her vacation on the Big Solovetsky Island, and was sure that nothing unusual can ever happen to her under any circumstances. But the unknown begins to invade her life unceremoniously and irreversibly. The events of this strange, sometimes eerie, but still delightful summer convince her that the most confusing and sinister labyrinth is the heart. The human heart, full of inexplicable desires that are not at all easy to recognize...