Agent Joaquin recalls his latest mission while lying wounded in an ambulance: Joaquin has infiltrated into a band of smugglers. When the villains learn the truth about him, they kidnap Jouqin's fiancee. Santo comes to her rescue and fights the band.
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Character: Joaquín
Character: Jamie
Character: Santo, el Enmascarado de Plata
Character: Irma
Character: Enrique
Character: Teniente Zambrano