When young Rob Rabbit is born, a wise, elderly rabbit remarks that he will have a quite a future ahead of him. Indeed as he grows up, he becomes a strong kickball player and a fine pianist…

Then, one faithful day at a family picnic, he spies a boulder falling off the nearby cliffs towards his parents. As he races to save his family Rob’s dormant powers are revealed, donning symbolic stars and stripes, Rob becomes the American Rabbit. The elderly rabbit appears to tell them that Rob has been selected to uphold the legacy of the American Rabbit. How Rob must leave his idyllic home behind to protect the outside world and soon finds himself working as a pianist at the Pandamonium clubhouse in San Francisco which is being threatened by a local gang of thugs.