Six years ago, sisters Evelyn and Philippa Hapwell were swept away to a strange and beautiful kingdom called the Woodlands, where they lived for years. But ever since they returned to their lives in post-WWII England, they have struggled to adjust. Ev desperately wants to return to the Woodlands, and Philippa just wants to move on. When Ev goes missing, Philippa must confront the depth of her sister's despair and the painful truths they've been running from. As the weeks unfold, Philippa wonders if Ev truly did find a way home, or if the weight of their worlds pulled her under.