The protagonist, a young man called “Alf” (played by Andres Revo), comes back home to his affluent parents in Mexico after spending time in the United States, but he seems deeply uncomfortable. Despite being warmly greeted by his friends, he feels drawn to return to America. Hints about his unease begin to emerge when he meets “Oliver,” a younger ukulele player (Joaquín Emanuel), who is described by his companions—pe…