In the magical realm of Pixie Hollow ruled by Queen Clarion, the animals are preparing to cross into the Winter Woods.

Curious about what lurks across the snow-laden border, Tinker Bell defies fairy law to explore the icy wonderland and learns that she has a sister called Periwinkle.

After a magical day together, the sisters hatch a plan to smuggle Periwinkle into Pixie Hollow.

However, there are major repercussions for their transgressions.