Gwyn's appetite for adventure pulls her into a fast-paced mystery involving a secret, a murder, and a missing girl. When danger shadows Gwyn's steps and she discovers this latest challenge is more than she can handle on her own, she calls on her twin brother and best friends for help in uncovering the secret hidden in the stone lion. The lion's secret proves to be only one of many enigmas lurking at Lion's Run, and before the mystery is unraveled, the team faces a desperate criminal who will stop at nothing to achieve his heart's desires. Betrayal shakes Gwyn's world, but God is at work in her life; how many truths will she discover in her search for the lion's secret?