Sofía probes for info on Aiz and the key; Ignacio and Sofía's spat spills over at an event. Sofía visits Lucrecia at Aiz's offices, where she probes for information about why her father bought the small cosmetics company and about the mysterious key. Meanwhile, tensions between Sofía and Ignacio continue to simmer, as a tipsy Sofía calls out her brothers and reveals her partnership with Lucrecia in a fiery speech at an event to honor her father's legacy. Seeking to find out why her father bought the small cosmetics company, Sofía meets with Lucrecia at Aiz's offices, a building frozen in time; there, Sofía seeks answers about the mysterious key, but to no avail. At Castelló, Sofía witnesses tensions between Ignacio and Antonio, the laboratory manager. Ignacio continues to disparage Sofía's intentions, and Andrés continues to stand by her. Later, at an event honoring her father's legacy, Sofía meets Martín, a young collaborator from a foundation for hearing-impaired children. Emboldened by alcohol, Sofía gives a fiery speech, where she confronts her brothers and reveals in front of the press that she has partnered with Lucrecia Aiz.
