The man smiled. It was the worst thing Artie had ever seen.

Artie made a choice. He crumpled the paper and swallowed it.

Evaris. Not a word. A name? A place?

On the frozen shore of a hidden thermal spring—the “source”—Evaris stands with a dozen armed agents. Behind him, Banner Creighton holds a lit stick of dynamite. Before him, Jacob and Cara Dutton, rifles raised.

A disgraced Montana telegraph operator, armed with a fractured prototype of a "threesixtyp" cipher machine, must decode a cryptic message from Teonna Rainwater before a brutal Indian Agent and a ruthless rival rancher can bury the truth—and the Yellowstone—forever. Prologue: The Unspoken Signal

Then he heard the scream.

“Six,” she said, not looking up. “How many do we need?”

Season 1 - Threesixtyp | 1923

The man smiled. It was the worst thing Artie had ever seen.

Artie made a choice. He crumpled the paper and swallowed it. 1923 Season 1 - Threesixtyp

Evaris. Not a word. A name? A place?

On the frozen shore of a hidden thermal spring—the “source”—Evaris stands with a dozen armed agents. Behind him, Banner Creighton holds a lit stick of dynamite. Before him, Jacob and Cara Dutton, rifles raised. The man smiled

A disgraced Montana telegraph operator, armed with a fractured prototype of a "threesixtyp" cipher machine, must decode a cryptic message from Teonna Rainwater before a brutal Indian Agent and a ruthless rival rancher can bury the truth—and the Yellowstone—forever. Prologue: The Unspoken Signal He crumpled the paper and swallowed it

Then he heard the scream.

“Six,” she said, not looking up. “How many do we need?”