Instinct only takes you so far. After that, you need proof.

But cunning killers hide their tracks.

As a former smokejumper, arson investigator Bri Tucker knows her way around fires. But after a mysterious blaze takes the life of a former colleague, Bri inherits a curious puzzle from him that raises questions about several fiery deaths. Someone, however, doesn't want her picking up where he left off in search of answers.

When she teams up with ATF Special Agent Marc Davis to solve the puzzle, the case heats up—as does the attraction between them. Sparks fly as the danger escalates, but will they manage to track down the person behind the mysterious deaths before their budding romance—and maybe even their lives—go up in flames?

In this pulse-pounding new series from the bestselling and award-winning queen of romantic suspense, you'll be swept up in a whirlwind of danger, mystery, and romance. Get ready to burn through the pages as Bri and Marc race to solve the puzzle and uncover the truth.