China's Yangtze River is threatened by over-fishing, industrial pollution and the loss of iconic monster fish. Jeremy Wade journeys upstream to find out if there are any fish left, and meets the heroes fighting for the future of the river.

中国的长江正受到过度捕捞、工业污染和标志性怪兽鱼数量减少的威胁。杰里米·维德逆流而上，想要查明是否还有鱼存活，并拜访了那些为这条河流的未来而奋战的人们。