Santo and Mantequilla Nápoles team up to end the curse of La Llorona by getting ahold of a special medallion. Unfortunately, La Llorona escapes in the process.

• Cinematográfica Calderón S.A.
• El Santo
• José Nápoles
• Alfonso Castaño
• Sonia Cavazos
• Kikis Herrera Calles
• René Cardona
• Ana Lilia Tovar
• Carlos Suárez