When keen outdoorsperson Amy Raye Latour ventures into the wilderness for the last time this season, things turn dangerous. She finds herself on the verge of the precarious edge that she's flirted with her entire life. When Amy Raye doesn't return to camp, ranger Pru Hathaway responds to the missing person's call. Even after an unexpected snowfall turns the operation into a search and recovery, Pru's discoveries lead her to suspect Amy Raye is still alive. Her search becomes an obsession with a woman whose life is just as mysterious as the clues she has left behind.