When a rural Texas ranch house explodes, Rangers Baker and Tate discover the charred remains of nearly thirty people — and a killer systematically destroying human-trafficking safe houses with their occupants inside. Racing to evacuate victims before the Iceman strikes again, Ruth must navigate the dark intersection of human trafficking, domestic terrorism, and a nation divided.

When a brutal murder shocks a quiet Texas town, all signs point to a cold-blooded killer in a black Cadillac with tinted windows and no plates. With no witnesses, no pattern, and no end in sight, Rangers Baker and Tate race across the Texas heartland, trailing a ghost on wheels who always seems to stay one step ahead.

When Caleb Vance — a magnetic national figure credited with helping elect the President — is brutally murdered in front of his wife and children at a packed outdoor forum, his killer's manifesto spreads like wildfire online, inspiring a string of copycat attacks. Rangers Baker and Tate race to stop a cycle of bloodshed fueled by obsession, fear, and the deadly lure of internet fame.

One ridge. One outgunned drifter. One last stand against people who do not leave witnesses.