Sofía returns to her birth city of Buenos Aires following her influential father's death. Sofía sits on a private flight to Buenos Aires, her birth city, bringing memories of her recently-deceased father and a severe hangover; there, she reunites with her estranged brothers, Ignacio and Andrés, who seek to get her to sign documents related to the family's cosmetics business, Castelló. At the funeral, Sofía's attention is drawn to a mysterious woman and the odd pendant she wears. After her father's passing, Sofía returns to Buenos Aires on a private flight with a severe hangover. At the cemetery, she reunites with her estranged brothers Ignacio and Andrés; Sofía's attention is drawn to a woman wearing an odd, key-shaped pendant. On the way back to the family's house, Sofía is pressured by Ignacio to sign documents pertaining to the family business: "CASTELLÓ", a top regional cosmetics company. Later, Sofía, lost in what was her childhood home, rummages through her father's belongings and finds a mysterious key hidden in a piece of furniture...and it appears to match the pendant of the mysterious woman: Lucrecia Aiz.