About 30,000 years ago, AO lives in a clan of Neanderthals. When he returns to his own one day after hunting, he finds them murdered. His family has been wiped out. AO's fate is sealed - he is the last Neanderthal. Completely on his own, he sets out on the arduous journey south. He wants to return to his birthplace. But on his way through the merciless wilderness, AO falls into the clutches of cannibals. When he manages to escape, he also saves the life of the beautiful Aki, a human woman who feels strangely attracted to the wild Neanderthal. While the two beings are complete strangers to each other at first, they are united by a deep bond with nature - and concern for Aki's baby. A unique love across all borders begins and the couple experiences the adventure of a lifetime in Stone Age Europe...