"A hero is a man who does what he can." -- Romain Rolland. This documentary tells the inspiring story of the impromptu rescue of nearly half-a-million people from lower Manhattan after the World Trade Center buildings fell - by boat. Scores of commercial and private boat captains answered the call of duty that day, notwithstanding the unknown risks and tremendous effort required. Said one rescuer, "Average people, they stepped-up when they needed to."