Two detectives are called to a small mining town in the Asturian mountains where a young woman who had been left for dead for months has suddenly appeared, leaving the detectives to question what dark forces are at work.
Ji-yeon and Do-jin are exhausted from years of IVF treatment. They don't remember what life was like before. She continues to experience the pain of separation from a child she has never met. Do-jin is worried about her health and wants her to quit, but she can't. "Why can't I be a mother?" She won't give up.