Her first big case... Could be her last. When former big-city cop Ava Callan stumbles upon a bomb, she seizes the chance to prove herself. Not only to the small-town police department where she's transitioning to become a K-9 handler...but especially to charming lead investigator Eli Thorne. The only thing more explosive than her chemistry with the out-of-town captain? The danger menacing them at every turn...