In the quaint town of Canuelas, Argentina, siblings Astor and Maria explore the boundaries of their relationship, fueled by pent-up desires and the closeness of their small home. One day, Maria catches Astor masturbating in the bathroom, his thick cock hard and ready. Instead of scolding him, she feels a surge of lust, her pussy growing wet as she watches him. Astor, embarrassed but turned on, invites Maria to join him. She hesitates, but the temptation is too great. She strokes her clit, her moans filling the room as Astor watches, jerking off faster. Their bodies yearn for each other, but they hold back, their taboo desires hanging heavily in the air.