Colter's handlers send him to Klamath Falls, Oregon, to investigate the disappearance of 14-year-old Gil Brown who is suspected to have been taken by his birth dad with a criminal background.
As Colter helps a young woman locate her free-spirited sister, he digs deeper into how the sister's last days may lead to a dark secret she unearthed in this tight-knit town.
The odds are stacked against Colter as he is tasked by a convicted murderer's teenage daughter to track down a missing witness who could prove her dad's innocence.
Colter, Bobby and Reenie race against time to track down a talented MMA fighter who disappeared while trying to solve her family's trouble with their visas.
When a widower offers a reward to find his only daughter who disappeared three years ago, Colter's search leads him into the world of amateur ghost hunting and paranormal activity.
Colter journeys into the wilderness to track a father's missing adult children who were last seen in a plane that was lost during a storm with a mysterious client on board.
When a grad student goes missing after a house party, Colter discovers a trail of explicit photos and messages that lead him to uncover a dangerous conspiracy on campus.
Colter is forced to team up with his estranged brother, Russell, who enlists his help to track down a former army buddy who's gone missing after several weeks of paranoid behavior.