The borders of the Serengeti National Park in Tanzania were initially drawn without considering the herds of grass-eating wild animals. The recording of seasonal animal movements by the film team at the end of the 1950s forms the framework for action, so that based on this work, new boundaries of the park could be determined in such a way, that the most important animal populations are protected all year round. The beauty of the savannah landscape and the sideways glance at numerous wild animal species living there, some of which were presented to a broader audience for the first time in this film, fill this nature documentary.