Linden is a feisty faery with a lot on her mind. She her fellow faeries are under threat: their magic is fading, and if they do not act fast, they will die...

When Linden meets Timothy, a human staying in the house opposite her Oak, she knows he can help. Together they embark on a dangerous journey to seek more magic and discover that there is more to fear from other faeries than they could ever have imagined.