本片为自然纪录片，纪录了新生的小猴子基普和它的母亲玛雅，如何在竞争激烈的社会阶级中生存下来。玛雅是一只兰卡猕猴，她的生活因儿子基普的出生而改变。玛雅希望她的儿子在族群中处于较高的社会阶层。当他们的家被临近部落的猴子所占据时，他们的族群需要找到一个新家。玛雅用她与生俱来的智慧带领族群来到一个新据点，再使整个族群联合起来收回自己原来的家园。
导演（2）
Alastair Fothergill is currently an Executive Producer in the BBC Natural History Unit where he started in 1983. He has been an important part in creating many award-winning and globally important wildlife programmes, including the Natural World and Wildlife on One strands, and Reefwatch in 1988, where he was one of the team that created the first live broadcasting from beneath the sea and then went on to work with Sir David Attenborough on Trials of Life in 1990. His relationship with Sir David continued with the epic Life in the Freezer in 1993, celebrating the wildlife of the Antarctic, and he has been the crucial link in the making of many other landmark series. These can be seen on the BBC Earth website, with clips from Life in the Freezer, celebrating the wildlife of the Antarctic and Blue Planet, on the world’s oceans. He was also Series Producer for the landmark series Planet Earth and subsequently co-directed the cinematic version, Earth, to worldwide acclaim. He is currently Executive Producer for the Unit’s next major series, Frozen Planet, to be broadcast in 2011. In addition to his work for the NHU, Alastair has his own production company and is currently directing two cinematic movies for Disney Nature.
演员（1）
美国剧作家，喜剧演员，演员和制片人。她赢得过6次艾美奖，三次金球奖，以及三次美国演员工会奖。 她在电影《贱女孩》中的表演虽让她赢得良好声誉，但她最为著名的表演却是在《周末夜现场》中扮演莎拉·佩林（阿拉斯加州前州长，2008年共和党的副总统候选人）以及她在《我为喜剧狂》中的演出，她还被芭芭拉·沃尔特斯选为“2008年全美十大最具吸引力的人物”。