Angelitos negros (English: Little Black Angels) is a 1970 Mexican melodrama written and directed by Joselito Rodríguez and starring Manuel López Ochoa, Martha Rangel, Titina Romay, and American actress Juanita Moore, whose voice was dubbed to Spanish.
Juan Carlos Ruiz (Manuel López Ochoa) is a singer who meets Ana Luisa de la Fuente (Martha Rangel), who works at an all-girls school.
During a tour, Ana Luisa learns she is pregnant and they return to Mexico, where she gives birth to a daughter, Belén (Juanita Hernández).
At first, Juan Carlos thinks it's a bad joke, but after learning the truth from Mercé and Father Francisco, he accepts having a black daughter and agrees to "take the blame" for her skin color.
Tragedy occurs when Ana Luisa, mistakenly believing that Isabel is Juan Carlos's lover, decides to abandon her family.