Did you ever watch fireflies light up the sky? Some flash bright. Some flash low. Some flash fast. Some flash slow. Well, it wasn't always that way. It all began a long time ago when a firefly named Beacon chose not to glow. Beacon knew the rule they all had to obey—every firefly had to glow exactly the same way. But Beacon marched to a different drum. He thought flashing your taillight ought to be fun. And then one night, when they needed him most, would the other fireflies realize Beacon was right?