In this family-friendly fantasy adventure, siblings Kyle and Evie Preston discover that their late grandmother's outlandish tales about trapped fairies were rooted in reality. As they explore the abandoned mine shaft left to them by their grandmother, they learn that freeing the fairies may hold the key to saving their ailing father's life. With time running out, the siblings embark on a thrilling quest to release the captive creatures and uncover the truth behind their family's mysterious past. Will they be able to overcome the challenges ahead and save their father, or will the fate of the trapped fairies remain a secret forever?