Today, thousands of communities across the country face the challenges of removing outdated dams that threaten to fail. So they wrestle with the questions of how to remove these old dams and how dammed rivers can be restored. This program reveals how one community struggled to discover the real worth of their river, then worked through the social, emotional and scientific aspects of removing their dam. You'll also see how they used similar emotion in science to help in restoring an ecosystem that had been impounded for over 100 years.