At school, he got in trouble for kicking a fence, then the cafeteria ran out of pizza for lunch. After he walks home in the pouring rain, he finds his autistic little brother Benji is having a bad day too. On days like this, Benji has a special play-box where he goes to feel cozy and safe. Sammy doesn't have a special place, and he's convinced no one cares how he feels or even notices him. But somebody is noticing, and may just have an idea on how to help Sammy feel better.

    He has balloons showing Dad when he was young and Grandma when they were married. Grandpa has balloons about camping and Aunt Nelle’s poor cow. Grandpa also has a silver balloon filled with the memory of a fishing trip he and James took together.But when Grandpa’s balloons begin to float away, James is heartbroken. No matter how hard he runs, James can’t catch them. One day, Grandpa lets go of the silver balloon—and he doesn’t even notice!Grandpa no longer has balloons of his own. But James has many more than before. It’s up to him to share those balloons, one by one.