The vaquita, the world's smallest whale, is near extinction as its habitat is destroyed by Mexican cartels and Chinese mafia, who harvest the swim bladder of the totoaba fish, the "cocaine of the sea." Environmental activists, Mexican navy and undercover investigators are fighting back against this illegal multi-million-dollar business.

Infiltrando a rede de tráfico de marfim, a equipe de documentaristas conseguiu denunciar caçadores e traficantes para estancar o extermínio de elefantes na África.