Tanner, call him Rhino Tanner, his friends do because theyre afraid of him. Hes a self made man who makes his living killing large game in Africa -- a dysfunctional Horatio Alger who sets his sights and sites on the worlds greatest natural wonder The Grand Canyon. But in doing so, Tanner unleashes forces that he cannot comprehend and cannot control his idealistic son Niko, Native American holy men, Zen adepts and, yes, Mother Nature.