Boys (aged 11 to 13) in the showers discus their penises and show each other their erections (not seen). One of them was being held by others for a boy to rape him, but told to stop. A man enters and proceeds to hit the boys in their genitals with a stick as they are "self-polluters". The room is steamy but there is some frontal and much rear nudity.
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.
Eugenia is travelling to her grandmother's and has her first period on the bus. Her grandmother takes her to the bathroom and tries to instruct her how to use a tampon, which she is reluctant to try. Eugenia is seen attempting to insert it -- she is partly nude with her pants down seen from a distance.