Brought back to their childhood home to care for their ailing grandmother, young prodigal playwright Sloane and their botanist husband Gwyn are struggling to settle the estate after their lives are uprooted by tragedy. A sudden spiral of Sloane’s obsession with completing their masterpiece in the unsettling old house forces Gwyn to confront the safety of Sloane regurgitating their family trauma into their art. When Gwyn’s childhood friend Beckham arrives to help the couple bury the hatchet, they soon discover there may be more to the house, and to Sloane, hidden beneath the foundation. If the basement is the stomach... then what’s the basement door?