Bored on a comfortable New York Zoo explorers-Alex the lion, Melman the giraffe, Gloria the hippopotamus and even Marty the Zebra-decide to return to America. They commit aircraft and, taking with him two lemurs nurturing plan for world domination, is sent to the path. Not ozabotivshis' filling airplane fuel sufficient travellers get only to Africa, and while the penguins breed once again broken the plane, Alex meets parents who had separated in childhood.
His father is gouf, the pride of the tooth, where weaves intrigue old enemy Makunga. Taking advantage of the ignorance of Alex laws, Makunga achieves the desired-itself becomes a leader. At this time makes a decent career doctor Melman, but experiencing emotional distress due to unrequited love to Gloria. A dreamy Marty makes an unpleasant discovery that he is not so unique in Africa many other zebras, from which it cannot distinguish between an even better friend.