Maria is a young orphan who lives with her wealthy aunt. Maria sings in a cocktail bar with his friends, who form a rock band, and enjoy the night with them. One of his friends, Ernesto, is in love with her, though she does not seem to feel the same about him. In fact, multiple existential doubts and feel a strange emptiness in his life suddenly drive to enter a convent as a novice, breaking Ernestos' heart. However, with her cheerlul character, open and rebellious, not appear to conform to life in the cloister, and especially have problems with the novices director , who often punished for trying to take the right path. In the convent, which also functions as children's hospital, she meets a doctor with which it takes quite right for the contrast between his two characters, but his way with love and mutual respect.
Year 1860. Rosa Maria, daughter of a wealthy Cuban landowner, is studying at a convent school in Cadiz and requests to return to Cuba after spending many years in Spain. But now the economic situation of his father is disastrous and therefore he tries to delay the return of his daughter, hiding that fact. Rosa Maria knows nothing and, at the refusal of his father, she runs away from school, embarking as a stowaway on a ship bound for home.
