Biologist and extreme angler, Jeremy Wade, is on the hunt for freshwater fish with a taste for human flesh. Jeremy travels the globe risking life and limb, to investigate freshwater mysteries and uncover the truth about the dark secrets of our planet's rivers.

生物学家兼极限钓鱼者杰里米·韦德正在寻找嗜人如命的淡水鱼。杰里米冒着生命危险周游世界，调查淡水之谜，揭开地球河流黑暗秘密的真相。