Horacio lives tormented under the memory of his dead mother. Until a series of revelations lead him to confront a dark past full of secrets.
Adeline is an aspiring marine biologist who, after her little sister suffers an accident, has to prove the existence of a mythical creature called La Nereida. Well, it is believed that it has healing powers.
In the midst of a crisis, a couple falls apart. Dolores clings to the past, and Humberto doesn't know how to help her.