Sheriff Thomas Shepherd knows what it takes to catch a murderer. But when he discovers a dead woman buried in the forest, he believes a new killer is stalking Nightshade County. Nightmares afflict Thomas's girlfriend, Private Investigator Chelsey Byrd, a woman who has battled depression since she was a teenager. Something about the recent murder awakens forgotten memories in Chelsey, and she needs to solve the case to gain closure. The problem is, Thomas doesn't want Chelsey near the investigation in her present condition. The sheriff soon discovers that this isn't the killer's first victim. Then a mother and child vanish from their home without a trace. As Thomas dives deeper into the investigation, he suspects Chelsey is hiding something from him. And she might not be the only one with a deadly secret.