After the mystical death of her parents, all that remains for Estela is her determination to learn the truth. She accepts an invitation to live abroad with her aunt in their ancestral Spanish castle, La Sombra.
Behind La Sombra’s gothic facade lie family secrets, and Estela begins to suspect that her parents’ death may be connected to this castle. Her investigation takes a supernatural turn when she encounters a young man with silvery eyes whom only she can see. Estela worries that Sebastian is a hallucination, but he insists that he is trapped in the castle.