In 1985 Mexico City, a catastrophic earthquake buries thousands. A doctor with a dark past, a journalist chasing fame, and a family in distress risk their lives in rescue attempts. Their efforts become chances to change their own lives.
Gabriela confronts her past and the issues affecting her crumbling marriage. Three hours after the earthquake, Ángel discovers a new way to reach the babies and nurses trapped under the rubble with Pepín's help. Gabriela and Camila each make their way into the collapsed building in Tlatelolco. Meanwhile, Alberto and Regina get closer to the surface.