Burning Lies (Border Watch Series #3)
Helene Young

Ryan O'Donnell, an enigmatic undercover cop, is investigating arson attacks when he is drawn into Kaitlyn's world. He tries to fight his attraction for her, hoping the case might put his own demons to rest, but it only threatens to push him over the edge.
With Kaitlyn and Ryan on a collision course, the arsonist seizes the chance to settle some old scores. As the Atherton Tableland burns, the three of them are caught in a fiery dance of danger and desire, and not everyone will come out alive.
Set in Australia's tropical far north, this is an explosive story of peril and passion by the author voted by the Romance Writers of Australia as the most popular novelist of the year.