Teresa "Tessa" Im, 18 years old, born and raised in LA with only a few fleeting trips to Korea, is left all alone in the world with the sudden tragic deaths of both of her parents. Her only survivng relative is her maternal grandfather, a retired scientist that has always been very reclusive, and who happens to live in a mansion in the middle of nowhere on Jeju Island. When Tessa gets curious and goes against her grand