Alma has a daughter who has been missing for three years. Ever since she lost her, she has been looking for her tirelessly, putting up wanted posters or supporting brigades and groups of mothers with the same grief, as long as she doesn't have to work at the inn that she runs in Tlatelolco, in Mexico City.

After Emiliano dies from poisoning, a vault in Zürich opens to reveal a video tape of edited fragments from surveillance cameras that captured the most important day in Emiliano's life. That day he learned that what matters most in life are not beginnings or endings, what matters most is one defining moment: his peculiar encounter with Juan when he recruited him to assassinate a former presidencial candidate.

Determined to help her son, who has cerebral palsy, Bárbara takes her family to India for an experimental treatment.