There is a subplot with two pedophiles. It is implied that they kidnap and rape children or force the children to perform sexual acts on each other, and then videotape all of it before killing them. We see video tapes in their home, implying that they videotaped themselves raping children, or the children performing sexual acts. All of this is heavily implied, but never shown. We see two kidnapped children dressed up and wearing adult make-up. - IMDb
Young Juan and Milagros are models of a Photographer who tells Juan to first kiss the girl (He kisses her forehead). He is then ordered to drag down her pants as he snaps another shot. When he is ordered to drag down her panties, he is about to do it, but Milagros push him back as he scared runs away.