You can find various versions of this movie, such as the Secret of the Wings Blu-ray/DVD Combo , at retailers like Amazon.

The story follows Tinker Bell as she ventures into the mysterious Winter Woods. Curious about the sparkle that appears on her wings when she crosses the border, she breaks the fairy rules and travels into the forbidden winter territory. There, she discovers a secret that changes her world forever: she has a sister, a Frost Fairy named Periwinkle.

As Tinker Bell learns more about the migration and the secrets of the wings, she begins to realize that her own wings are special and that she has a unique gift. However, a series of mishaps and misunderstandings lead to Tinker Bell becoming lost and separated from her friends.