Because of a bet, Werner and his friend have to construct the fastest vehicle to win a race, because life depends on it.
The rats and mice, made intellectually superior in the original Secret of N.I.M.H., return to Thorn Valley to groom their destined leader - young Timmy Brisby.
In Bamse and the Witch’s daughter Croesus Vole finds gold in the beavers' dam. To demolish the dam and get the gold he tricks the witch's daughter Lova to enchant Bamse. With Bamse gone, it's up to the children to help each other to stop Croesus - but to do that they have to be friends.
