The chorus emphasizes a voluntary captivity: "Prisionera, voluntaria de este engaño" (Prisoner, a voluntary participant in this deception).
You can find this specific version on major streaming platforms and video sites: Listen to Prisionera (Version Balada) YouTube: Official Audio - Pilar Montenegro Topic Genius: Full Lyrics in Spanish Prisionera (Version Balada)
The opening lines, "Como el sol caliente mi cuerpo se enciende," set a tone of physical and emotional yearning. voluntaria de este engaño" (Prisoner