这是一个真实的故事，十九世纪维多利亚王朝，在西方看来这是辉煌的殖民时代，人们对于地理发现非常热衷。两位英国探险家来到非洲，为的是寻找尼罗河水的源头月亮山脉，共同的目的使他们走在了一起。两人一次又一次地往非洲的内陆深地探险，途中遇到无数次的困难......The story of Captain Richard Francis Burton and Lt. John Hanning Speke's expedition to find the source of the Nile river in the name of Queen Victoria's British Empire. The film tells the story of their meeting, their friendship emerging amidst hardship, and then dissolving after their journey.