Theresa, a 54-year-old woman, has worked for several decades as a maid in a Buenos Aires family. But the family sells the house, and a woman forced to work in the distant city of San Juan travels through the desert. During the first stop, Teresa loses her bag of things. This unpleasant incident comes with the traveler selling El Gringo - the only one who can help find his bag. Finally, what seemed to Teresa that the end of the world became her salvation.