A prisoner in her own vacation home, a young Mary Shelley treads the waters of inspiration and originality while among the summer company of her melancholic husband, demanding newborn, scandal-prone literary colleague, and the ever-haunting ghosts of her own jealousy, anger, and insecurities. The infamous contest of the ghost story is in full sway. And while Mary might resign herself to coming up short, her inner demons spark something that will either transcend or devour all in its wake.