Fleeing their doomed warren, a group of rabbits struggle to find and defend a new home.

When the warren belonging to a community of rabbits is threatened, a brave group led by Fiver, Bigwig, Blackberry and Hazel leave their homeland in a search of a safe new haven.

Yokohama, 1963. Japan is picking itself up from the devastation of World War II and preparing to host the 1964 Olympics—and the mood is one of both optimism and conflict as the young generation struggles to throw off the shackles of a troubled past. Against this backdrop of hope and change, a friendship begins to blossom between high school students Umi and Shun—but a buried secret from their past emerges to cast a shadow on the future and pull them apart.

In the prehistory of man, 12,000 years ago, two members of a superhuman tribe abuse the treasured secret of eternal youth. They use the methods of ritual cannibalism on the children of their own tribe and when discovered by the 'Queen' of the tribe, they are cursed to an eternity of old age with no chance to ever die. Now, in present day Los Angeles, their only hope to recapture eternal youth is the ritualistic sacrifice of a 16-year-old female virgin. Their existence is discovered by an investigative reporter and a young runaway child and this leads to an unexplained and terrifying confrontation