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

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.

When Colter disappears during his search for a missing father, Reenie recruits his brother Russell for help.

Colter and rival rewardist Billie Matalon team up to find a missing high school baseball star.

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

While tracking the son of a prominent New Jersey cupcake chain founder, Colter gets thrust into the middle of a violent mafia war.

When a teenage musician vanishes in New Orleans, Colter teams up with a local detective and uncovers a chilling mystery involving dark magic.

Colter heads to Willow Creek, Mich., after a worried mother hires him to track down her beauty queen daughter, Riley, who vanished while driving home from work. While investigating at the garden center where Riley works, Colter looks into her modeling past and uncovers that she was hiding a major secret.