Snowdrop a Pixie having been chased by a cat ends up caught up in a tree where the branch is weak. Jimmy Dormouse comes to her aid but during the rescue she hurts her ankle. As she limps around she fears that she will not manager her quest, and will therefore fail to save her brother, Willow, from the Trolls who have captured him. They will soon be making for their winter home deep in the mountain caves. Jimmy offers to go with her to help and forage for food. Freddie a puppy also agrees to help by carrying them on their journey. They set off to find the Goblin camp to retrieve a magic cloak stolen by the Goblin children and time is running out.