Three teenagers must help a Yeti return to his family while avoiding a wealthy man and a zoologist who want it for their own needs.

A happily domesticated grizzly bear named Boog, has his perfect world turned upside down after he meets Elliot, a scrawny, fast-talking one-horned wild mule deer. They both end up stranded together in the woods during hunting season and it's up to the duo to rally all the other forest animals and turn the tables on the hunters.