Hwani's family has never been the same since she and her younger sister went missing and were later found unconscious in the forest near a gruesome crime scene. Years later, Detective Min—Hwani's father—learns that thirteen girls have recently disappeared from the same forest that nearly stole his daughters. He travels to their hometown on the island of Jeju to investigate… only to vanish as well. Determined to find her father and solve the case that tore their family apart, Hwani returns home to pick up the trail. As she digs into the secrets of the small village—and collides with her now estranged sister, Maewol—Hwani comes to realize that the answer could lie within her own buried memories of what happened in the forest all those years ago. " is that will have readers on the edge of their seats. ... , and I will be reading her gorgeous books for years to come." —Adalyn Grace, -bestselling author of , draws the reader in from the very first page and doesn't let go. , beautifully drawn from start to finish." —Kathleen Glasgow, . Beware, this tale will draw you deeper into the forest than you want to go." —Stacey Lee, award-winning author of "A historical fiction mystery that is ! Hur brings Jeju Island during the early Joseon period completely to life in a rich, evocative manner that reminds me of watching my favorite historical Kdrama.” —Ellen Oh, author of the series