Hunted by a killer. Stalked by the wild. In the heart of Yellowstone, survival is the only rule.

Jane thought it would be just another day helping her father with his wolf research. But when she witnesses his brutal murder, her world shatters. With his last breath, he urges her to run-and now, lost and alone in the vast wilderness, Jane must navigate Yellowstone's unforgiving terrain.

But the dangers aren't only human. A hungry bear, charging bison, and an unexpected blizzard threaten to end her life at every turn. Every step could be her last.

Colm, another target of the killer, crosses paths with Jane, and together they form a fragile alliance-facing not only a relentless murderer but the merciless elements.

In this gripping cat-and-mouse thriller, nature is as deadly as the hunter. Can Jane and Colm outsmart the killer and survive the wild-or will the wilderness claim them both?

The Kill Line is a heart-pounding Yellowstone wilderness survival thriller featuring a relentless killer, deadly wildlife, and an unforgettable fight to stay alive.