After the tragic disappearance of her twin sister ten years ago, Mia still tries to retain fragments of memories of the days spent together. An ominous darkness lurks in the distant corners of her mind, taming the girl’s mind with headaches every time she thinks about her sister. Mia tries to hide them in an attempt to convince others that everything is okay. Leia's old life ended the day she found herself in the basement, surrounded by horror and fear. Ten years have passed, and only ghostly fragments of memories remain from her former life. Only the bright moments of childhood spent with Mia have not faded. When Leia attempts to escape, Mia's headaches intensify. Very soon the sisters will discover that their destinies are more closely connected than they thought.