A documentary about the plight of the victims of Minamata disease, which was caused by the ingestion of fish containing abnormal amounts of mercury released into the sea by a fertilizer factory owned by the Chisso company.
In the small town of Minamata in, the fertilizer company Chisso built a factory to take advantage of cheap labor and commenced dumping mercury-filled wastewater into the nearby sea. Soon residents began exhibiting symptoms of a mysterious illness...—Luka Sabljak