While searching for missing campers, Colter meets a retired police officer who believes a serial killer is on the loose.

Colter is tasked with tracking down a "ghost" when hired to find a man who seemingly died in a car accident months earlier. Meanwhile, Colter catches a break in his white whale case.

A new lead in Colter's white whale case, the disappearance of Gina Picket, brings him and retired cop Keaton back together to track down a serial killer.