When you smile at me, he tells how the structured life of Gastón Murfi (Facundo Arana) changes overnight with the appearance of his father, Juan (Mario Pasik), whom he stopped seeing when he was a teenager; and his brother who he did not know, Juanse (Benjamin Rojas) who together make Gastón believe that Juanse is his son. Also in Gastón’s life is his new neighbor Luna (Julieta Díaz), who has just arrived in the neighborhood after a love disappointment to set up a bar.