Stop-frame animation. Nestling in gently rolling hills is Timmy's nursery school, cosily housed in some old farm buildings. Complete with messy play area, story corner and garden, this is the perfect place for a young lamb to start finding his place in the world. Harriet and Osbourne lay a treasure trail for the class, but Kid spoils the fun by eating all the paper clues that they have hidden around the nursery. So Timmy turns detective and follows the real clues that Kid has left in an attempt to find the special treat that lies at the end of the trail.