The film captures a generation that came of age after the collapse of the Soviet Union, navigating a new world of capitalism while retaining a deep connection to their literary and artistic heritage. It is a portrait of a city that prides itself on being the "Window to the West," even as that window became frosted with the complexities of the early 21st century.

The title is a meteorological and poetic pun. In Saint Petersburg, the "Baltic Sun" is a rare phenomenon that occurs for roughly ten days in late May—a sudden, hyper-saturated golden light that filters through the Gulf of Finland’s mist. Volkov’s crew shot for 700 hours during this narrow window. The result is a sensory experience often described by critics as "a moving painting."

One afternoon they discovered a small, grainy clip in the footage—only seconds long—taken on a ferry crossing near Kronshtadt. It showed a boy with a red scarf running along the railing, hair whipping like a pennant. Behind him, gulls argued with each other over a discarded sandwich. The sun sat low, thin as an old coin. There was a moment when the boy stopped, facing the camera, and for an impossible instant his face was neither curious nor frightened; it was simply present, as if he carried an answer you couldn’t quite hear.

At its core, the film acts as an ethnography of a small but dedicated community in Russia’s cultural capital. The documentary relies heavily on direct interviews with Russian naturists. Subjects discuss their personal journeys, answering how and why they chose to pursue a lifestyle centered on social nudity and harmony with nature. 2. Societal Stigma and Taboos