The race to save the once prolific sockeye salmon, a crucial keystone species. Once described as teeming with life and an abundance of fish, the Snake River is now heavily altered forhydroelectric, storage, and transportation. Despite the billions of dollars spent on fish recovery, the once prolific west coast salmon runs are at the brink of extinction. Visiting the epicenter of the race to save this keystone species and a growing movement to remove the river's four dams.