Willow: Diary of a Mountain Lion: A unique, decade-long mountain lion study uses a vast network of over 200 trail cameras scattered throughout Montana’s Sapphire Mountains to piece together the story of a female mountain lion named Willow and her kittens. The film weaves together footage of mountain lions and their complex interactions with each other. Witness an epic saga about life and death that contains never-before-captured events and behaviors at every turn.