Twenty-three children vanish from a school bus in Caldwell, Texas — and Ruth Baker's daughter should have been on it. The trail leads to the infamous Red Barn Killings of twenty years ago, and to the powerful people who may have been protecting a terrible secret all along.

Called to a remote winter cabin to investigate a couple's unexplained disappearance, Texas Rangers Ruth Baker and Aaron Tate uncover a chilling scene that hints at a pattern of brutal killings beneath the snow-covered wilderness. As a vicious storm traps them in isolation, they realize they are not alone — a deadly predator who knows the woods is intent on keeping the cabin's secrets buried forever.

Travelers are turning up dead along an isolated stretch of desert highway, victims of snipers who strike without warning and vanish. The trail leads to a death cult — and the killers are targeting anyone who gets too close, including Ruth herself.

A brutal murder at a remote psychiatric retreat unearths a maze of locked therapy rooms beneath Cross Creek Ranch — and a mastermind the media dubs 'The Therapist,' who has weaponized a network of sleeper patients across Texas. As Rangers Baker and Tate close in, the case explodes into a statewide manhunt where the threat doesn't hide in the shadows. It hides in the mind.

When a prominent Texas rancher is found strangled on his sprawling estate, Rangers Baker and Tate uncover his connection to the secretive Murder Club — wealthy landowners who weren't just studying the notorious Bandanna Strangler, they were surveilling him. But someone else was watching them, and now the club's members are being hunted, with a decades-old secret linking the killer to one of their own.

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.