After a shot rings out in the night, park ranger Blaire Afton knows her hard-won serenity is in jeopardy. But when she's faced with a murder with no motive and no clues, US forest ranger Gus Maddox agrees with her suspicion that this is no random crime. With their shared military past, Blaire and Gus become close. But will their need for each other hunder their quest for justice?