In the late 40's, in a post-war environment, Luis is nine years old and lives the constant absence of his mother. Mrs. Acela has an unusual job, helps "to die", but her son does not know exactly what his job is and all the time he is worried. About to turn years Luis makes a request that will mark his life.
On a mission to sell his last remaining prize hog and reunite with old friends, an aging farmer abandons his foreclosed farm and journeys to Mexico. After smuggling in the hog, his estranged daughter shows up, forcing them to face their past and embark on an adventurous road trip together.
A worldwide exodus through the desert begins, in search of the last oasis that offers life on the planet.