In Birmingham, when motorists discover a decomposed body on the side of the interstate, a missing-person case turns into a homicide investigation. As lead Det. Jerry Williams searches for the friend who filed the missing-person report, he finds that in this case it's a tortuous route to the truth.

In Louisville, rookie detective Kristen Downs is trying to untangle a love triangle that turned deadly. And in Dallas, lead detective Scott Sayers and his team must piece together what happened inside a car that left the driver dead and a second victim critically injured.