This crime lab tech has enemies. And one wants her dead…

A vicious hacker has KCPD lab tech Chelsea O’Brien dead in his sights. And Buck Buckner won’t let his personal heartbreak prevent him from keeping her safe. But the sparks between this reserved ex-cop and the warm-hearted Chelsea are as hot as the trail they’re tracking. Can their mismatched skills outwit a killer — and help them risk their guarded hearts?