Maria Adele is a 17-year-old chess prodigy who is tormented by terrible nightmares. Although she knows these nightmares are somehow connected to her childhood, she remembers nothing of their cause, which remains buried in the past. One day she finds a letter which makes her suspect that she is adopted. This throws her into turmoil and she sets out to find her natural mother. With the help of Emilio, a young reporter who befriends her, she sets out to find her birth mother and the key to her past.