Colter est envoyé à Klamath Falls, dans l'Oregon, pour enquêter sur la disparition d'un ado.

Colter traque un jeune homme qui a été recruté par une secte dangereuse.

Colter aide une jeune femme à retrouver sa sœur.

Colter se lance dans une course contre la montre pour retrouver le fils d'une amie de Reenie, Erika.

Colter doit retrouver un témoin disparu.

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.

Colter tracks down a dockworker who went missing two weeks before his wedding following a confrontation with his past.

When a widower offers a reward to find his only daughter who disappeared three years ago and is presumed dead, Colter agrees to help track her down.

Colter journeys into the wilderness of Idaho to help track down the owner of an aerial outfitting company's missing adult children who were last seen in a plane that took off during bad weather with a mysterious client on board.

When a grad student goes missing after a house party, his friends and family believe he buckled under the pressure of his research grant. But, after consulting with his sister Dr. Dory Shaw, a professor at the school, Colter uncovers a trail of explicit photos and messages that lead him to uncover a dangerous – and deadly – 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. The investigation takes the brothers into the world of Special Forces missions, shady off-the-books programs and conspiracy theories, all while they contend with their family's past.

Colter investigates the disappearance of two amateur storm chasers, one of whom is the daughter of an old family friend, that the local police have written off as an accidental drowning. Colter's expert tracking skills lead him to uncover the seedy underbelly of a small town resort.