Tinker Bell and her friend Fawn, an animal fairy, discover a myth about a mysterious creature and become curious about it. Despite the fact that this massive creature is not welcome in Pixie Hollow, Fawn sets out to help the animal in need, defying the rules. However, the scout fairies are determined to capture the NeverBeast as they believe it will destroy their home. Fawn must convince her fairy friends to rescue the beast, even if it means putting everything on the line.