Max loves spending time with his grandfather. When it is finally time to say goodbye after a wonderful visit, Max feels a little sad. To cheer him up, his grandpa makes a special promise. He tells Max that the bright, glowing moon shining above his house is the exact same moon that will follow Max all the way back home. As Max rides in the backseat of the swervy curvy car, he looks out the window and smiles. Just as Grandpa said, the moon is tagging along for the ride. But suddenly, the sky darkens and thick clouds hide the moon from sight. Max begins to worry. Did the moon decide to stay behind? Did Grandpa make a promise that was not true? This gentle and comforting story explores the magical connection between a grandchild and their grandparent, proving that the people who love us are always with us, even when we cannot see them.