한 소년의 실종 사건을 조사하기 위해 콜터의 담당 형사들은 그를 오리건주 클래머스폴스로 파견한다.

한 젊은 남자가 끔찍한 사이비 종교에 빠지고, 콜터는 남자를 추적한다.

콜터는 자유분방한 자매를 찾는 한 여자를 도와준다.

리니의 친한 친구인 에리카의 십 대 아들이 사라졌다. 콜터는 촌각을 다투며 아이를 찾는다.

콜터는 난감한 상황에 처한다.

콜터는 라이벌과 마지못해 손을 잡는다.

유능한 종합 격투기 선수가 사라졌다. 콜터와 보비, 리니는 촌각을 다투며 수사에 나선다.

콜터는 결혼식을 2주 앞두고 사라진 부두 노동자를 추적한다.

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.