Tinkerbell wanders into the forbidden Winter woods and meets Periwinkle. Together they learn the secret of their wings and try to unite the warm fairies and the winter fairies to help Pixie Hollow.

A blue harvest moon will rise, allowing the fairies to use a precious moonstone to restore the Pixie Dust Tree, the source of all their magic. But when Tinker Bell accidentally puts all of Pixie Hollow in jeopardy, she must venture out across the sea on a secret quest to set things right.

During a summer stay on the mainland, Tinker Bell is accidentally discovered while investigating a little girl's fairy house. As the other fairies, led by the brash Vidia, launch a daring rescue in the middle of a fierce storm, Tink develops a special bond with the lonely, little girl.