Rosa has always dreamed of living a simple life alongside her Mamma in their remote village in Iceland. But when her Mamma becomes ill, Rosa marries herself off to a visiting trader in exchange for a dowry, despite rumors of mysterious circumstances surrounding his first wife's death. Rosa follows Jon to his remote home near the sea where Jon forbids her from interacting with the locals in the nearby settlement. Rosa is also forbidden from going into Jon's attic. When Jon is brutally maimed in an accident a series of events are set in motion that will force Rosa to choose between obedience and defiance - with her own survival hanging in the balance.