Human Nature Released 2001-09-12 is a story that falls under the Drama, Comedy category. Movie Story "Obsessive scientist Nathan and his lover, the naturalist Lila, discover Puff: a man born and raised in the wild. As Nathan trains the wild man in the civilized ways of the world, Lila fights to preserve the man’s natural state. In the power struggle that ensues, an unusual love triangle emerges.".