When the fairy queen swaps her new baby for a mortal's new baby, her daughter Dewdrop feels sorry for the mortal family she watches all the time. She rescues and returns Willyum back to his human family. When the fairy queen discovers what she's done, she's so cross, she swaps Dewdrop's life with the mortal girl Rebecca's as punishment. But Dewdrop loves her new mortal family and all their adventures, and now Rebecca adores being a fairy. Everyone's happy, right? Everyone except the fairy queen...

Once a fairy princess, Rebecca has settled very happily to being a mortal child with her attendant Lord Be Thankful as her pet owl. Suddenly everything seems to be going wrong! The house goblins have all been stolen by evil hobgoblins who want to eat them. Hobgoblins loose are in the district, but the Fairy Queen refused to send soldiers to fight them. It's up to Rebecca and Lord Be Thankful to open the portal to Inbetween Land and rescue the house goblins before time runs out!