Stevie loves visiting his Old Grandpa and Old Grandma on their farm more than anything. He loves their horse named Rebel, listening to Old Grandpa play the fiddle, and even helping Old Grandma in the kitchen. So when he finds out that Old Grandpa is losing his memory and might die someday soon, he is overwhelmed with grief. Eventually, the dreaded day comes, and Stevie has to say good-bye to Old Grandpa. Stevie learns that it's okay to be sad. He also learns that he's never alone when he meets some wonderful new friends in the most unexpected way.