Ex-Army Civil Affairs specialist Jo Gunning is a loner. No commitments. No fixed address. She's enjoying her anonymity in Virginia when she crosses paths with a runaway teenage girl in need. Assisting the girl in getting home leads to a phone call for help, and a claim from the girl that her father is holding her hostage. As Jo searches for answers, she finds that nothing is what it seems, and no one is telling the truth.

Ex-Army Civil Affairs specialist and loner Jo Gunning is headed west, but she detours and finds herself in a small town in rural Alabama. First, she runs afoul of local law enforcement, and then the owner of the local café asks Jo to find the truth about her nephew’s death.

For Denver Homicide detective Sarah Spillman, a secret from her past haunts each new investigation and could derail her hard-earned career. A missing boy’s body is found in a dumpster in a seemingly idyllic Denver neighborhood, and the list of suspects includes the boy’s mother and father. Sarah barely begins her investigation when a man who lived nearby is also discovered dead, an apparent suicide. Sarah continues to dig deeper, looking for a link between the two deaths, only to find the lies are piling up.

Wounded in the line of duty, former K9 Handler Maddie Castle finds herself back to square one. The bullet that shredded her leg took the life of her four-legged partner. The pain of recovery goes well beyond the daily physical torment she endures.

In the remote forests of Stillwater, Minnesota, you can scream for days and no one will hear you. So when the bodies of two 15-year-old girls are discovered frozen in the snow, Special Agent Nikki Hunt is sure the killer is local: Someone knew where to hide the girls and thought they would never be found. Though Nikki hasn’t been home in 20 years, she knows she must take over the case.