Colter recruits fellow rewardist Billie Matalon to infiltrate a women's prison in order to gain access to critical information that would help track down an escaped prisoner and her hostage.
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.
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.
When Colter finds a lost dog at a gas station in Denver and the dog is subsequently stolen from his truck, Colter makes it his mission to track him down and reunite him with his family.