Vaquita, the world's rarest marine mammal and smallest cousin in the cetacean family (whales, dolphins, and porpoises) , is on the edge of extinction.
Sea of Shadows follows a team of dedicated scientists, high-tech conservationists, investigative journalists and courageous undercover agents as well as the Mexican Navy as they put their lives on the line to save the last remaining vaquitas and bring the vicious international crime syndicate to justice.