Luis's abuelo (grandfather) has lived with Luis and family for Luis's whole life. They are the best of pals, building models, doing jigsaw puzzles, and cooking quesadillas together. But Abuelo begins to forget how to do puzzles, and turn off the stove. Then, one day, Luis comes home and Abuelo is gone... lost. Luis helps get him back home, but life changes after that. Luis learns that Abuelo still recognizes love.