The model airplane race for fathers and sons has just finished, and Henry is challenging the referee over his loss. Do his excuses hold up? Even Henry’s dad thinks it best to just leave it rest.
Has Henry stumbled onto something to prove his rival has cheated in the race? This calls for some amateur detective work. Will gathering fingerprints do the trick?
The job of fingerprinting is more messy and troublesome than expected. Black inky messes cause problems, but a secret emerges for Henry. Now Henry has to decide between the letter of the law, and doin the right thing.