Who is she? While looking for a missing child in Sagebrush, Texas, K-9 detective Lee Calloway and his border-collie partner find someone else. A mystery woman running for her life, scared and injured. But she has no idea who she is--or why someone is after her. Lee's unit suspects "Heidi" is a criminal who knows more than she's saying, yet his gut instinct says she's innocent. Lee vows to protect her until her memory returns, but now someone is desperate...