Penelope is a civil servant who lives with her mother, who has Alzheimer's. One day she meets Ulises, a poor old man who has lost his memory and his identity papers. She convinces him that he is her father and he must come home to take care of his wife.

Penélope es una funcionaria que vive con su madre, que tiene Alzheimer. Un día conoce a Ulises, un pobre anciano que ha perdido la memoria y sus documentos de identidad. Ella lo convence de que él es su padre y que debe volver a casa para cuidar a su esposa.