When his old friend Tracy Shapiro vanishes in the frigid New Hampshire woods, Petty Officer Mark Jenkins joins forces with Lindsey Fontaine to find the missing woman, only to discover that a violent serial killer is stalking the region.
Troubleshooter Alyssa Locke protects an old friend who is running for public office, a job that is complicated by family demands and the reemergence of the "Dentist" serial killer.