With their parents gone and nobody left to ask, when Georgia and Oliver first come to amateur sleuth Millie Westlake for help with their daisy-shaped markings she thinks the tattoos are a joke. A funny, if unusual, link between two strangers. In the seaside town of Whitecliff, stranger things have happened, especially to Millie herself. But then Millie finds an artist who remembers giving someone the same tattoo twenty years ago. Someone who spent years hiding in the isolated woods outside Whitecliff, the same place unidentified bodies were once found. Even as Millie gets closer to answers, she witnesses a shocking robbery that changes everything. And as whispers of what happened in the woods decades ago become louder, how much danger will Millie, Georgia and Oliver put themselves in, to uncover the mystery of the daisy-shaped markings and the dark truth about their pasts?