Sea of Shadows (2019)

In Mexico’s Sea of Cortez, a group of dedicated scientists, high-tech activists, investigative journalists and courageous undercover agents, along with the Mexican Navy, attempt to rescue the most endangered and elusive whale on Earth while battling vicious Mexican drug cartels and Chinese traffickers whose destructive poaching methods are threatening the region’s marine life. Winner of a Sundance audience award, this riveting new documentary from National Geographic Documentary Films tells the true story of an imminent environmental catastrophe with the intensity of a Hollywood thriller.