El Cuerpo Del Deseo Series Work -

The viewer knows Pedro is inside Salvador. Other characters see only Salvador's face and body, but sometimes sense "something familiar" about him.

Most episodes follow a pattern:

It seems you're looking for a guide to the TV series (The Body of Desire), specifically related to how it "works" — likely meaning its plot mechanics, magical realism rules, character dynamics, or episode structure. El Cuerpo Del Deseo Series WORK