What is the gray Garden documentary about?

The Gray Garden documentary delves into a secluded world where the inhabitants are trapped in their own realities. It tells the story of two aging sisters living together in an isolated Victorian mansion, where they have led a cloistered life for decades, cutting themselves off from the outside world. The documentary follows the sisters' lives and the challenges they face, including their estrangement from society and their mental health issues. It also explores the dynamics of their fractured relationship and the complexities of their individual personalities.