The Rastreadoras de El Fuerte are a group of mothers of disappeared persons in northern Sinaloa who, in the absence of the authorities, twice a week go out with picks and shovels in search of the remains of their children; a testimony of the abandonment of the State, the aggressions of the drug traffickers, the indifference of society and the pain, but also of the strength and courage that keep these women together, and of their empowerment to mobilize society in community organization.
Renato, um executivo mexicano da aviação, fica chocado ao saber que tem um meio-irmão americano que ele nunca conheceu, o espírito livre Asher. Eles são forçados a fazer uma viagem juntos, traçando o caminho que seu pai fez do México aos Estados Unidos.