Queendom follows Gena Marvin, a 21-year-old queer performance artist from Magadan, Russia. Utilizing surreal, self-crafted costumes made from found materials, Gena stages provocative public performances in Moscow that challenge societal norms and protest the Russian government's anti-LGBTQ+ stance. Her art becomes a form of activism, highlighting the persecution faced by the LGBTQ+ community in Russia. The documentary captures her journey from the remote streets of Magadan to the global stage, showcasing her resilience and the personal costs of her activism.