To most people, Fiona Bristow seems to have an idyllic life--a quaint house on an island off Seattle's coast, a thriving dog-training school and a challenging volunteer job performing Canine Search and Rescue. But Fiona got to this point by surviving a nightmare: an encounter with the Red Scarf Killer, who shot and killed Fiona's cop fiancé and his K-9 partner.

On Orcas Island, Fiona has found the peace and solitude necessary to rebuild her life with her three loyal Labs. But all that changes on the day intensely private wood artist Simon Doyle barrels up her drive with an out-of-control puppy, desperate for her help.

As Fiona embarks on training Jaws, and Simon begins to appreciate both dog and trainer, the past tears back into Fiona's life. A copycat killer has emerged out of the shadows, a man whose bloodlust has been channeled by a master with one motive: to reclaim the woman who slipped out of his hands...