Briar and Bramble, who lost their mother Barbara when they were cubs, are thrown into danger when escorting a scientist, which may lead them to a family reunion.
When an unknown object from space lands on Earth, Bramble gains new abilities and an extraterrestrial sidekick.
Bear brothers Briar and Bramble set off on an adventure with their human friend Vick to Wild Land, an amusement park where humans can turn into animals using a gene-technology bracelet.
Frustrated with his pals, Briar joins a traveling circus, where new friends and fame keep the homesickness away... for a while.