Maria is a young girl of about 16 years old that lives wiht Efraín's family since her mother's death. Her father remarried and being a ship captain, decided to leave her with a relative that could give her a stable family life. She has lived protected and enamored by Efraín, the family's eldest son. He shares the same feelings for her and also keeps them to himself. At the age of 11, Efraín leaves to study in the Capital. When he returns 6 years later, delcares his love to her. But this love starts suffering because of a series of events. Maria becomes ill and starts having a series of epileptic attacks. This does not affect Efrain's pure love for her. But his gather has other plans for him.