Everyone in the farm loves Teresita the cow. She moos as if singing, which makes everyone around her very happy, especially grandpa. When Teresita suddenly disappears, grandpa worries. Where will they get their milk? How will they survive? The story unfolds during a brief period of time in which grandpa and grandson discuss the many things they need to do now that their lives have been altered. A book with a happy ending that invites children to discuss and let their imaginations run with an exercise of: what would you do if this happened to you?