While on an expedition in the South Atlantic from the tip of South America to the tip of South Africa, marine scientist Dr. David E. Guggenheim witnessed — and filmed — the worst environmental disaster of his life: A shipwreck in the world’s most remote inhabited island group that unleashed a catastrophic oil spill at the doorstep of the second largest concentration of seabirds in the world, home to 65 percent of the world’s population of the endangered Northern Rockhopper penguin. ‘Disaster at Nightingale’ reveals an ecological catastrophe that few know occurred, in a place that few know exists, resulting from a growing global threat that few are aware of.