On a remote coast of the Siberian Arctic, a lone man in a windswept cabin waits, as he does every year, to witness an ancient gathering in which countless elective walruses leave the sea to mate. Warming seas and rising temperatures are bringing changes: more animals are arriving, space is becoming scarce, and fights are becoming more aggressive. The stunning and graceful images captured by the director duo of siblings stand in harsh contrast to the severity of reality.