Park ranger Hope Banning's plans for a little R & R are put on hold when a plane crashes at the top of a remote mountain. Hope will have to climb the summit and assess the situation. And the only climbing partner available is Sam Rutherford, the enigmatic man she spent a night with six months ago. Ever since Sam lost his girlfriend in a falling accident, he insists on climbing solo. But Hope and any potential survivors need his help. As Sam and Hope set out on an emergency search-and-rescue mission, he realizes the sparks still sizzle between them. And when they learn a killer is among the survivors, they must place their trust in each other for a chance at happiness.