Sam Healy has been watching his three older brothers starring for the Rocky Road Stallions since he was knee-high to a soccer ball. Now, he's finally old enough to try out for the U-10 travel team, Sam makes an unfortunate and startling discovery. He's small for his age. Very small. All the other fourth-graders on the field are bigger, faster and stronger. Can his soccer dreams still come true? Why do his brothers never stop making fun of his size? And just how far will he go in his efforts to grow taller?