When the evil mayor of Oakton decides to tear down Liberty Park and build an amusement park in its place, Surly, Buddy, Andie and the rest of the animals are suddenly homeless! Surly tries to fight back, but realises it's not going to be easy.
The mayor has got an animal control squad patrolling the park... Precious has been dognapped by the mayor's hyperactive daughter... And Surly has offended Mr. Feng, an adorable city mouse with deadly kung-fu skills.
Surly realises that he has to put aside his differences with the animals and get everybody to work together in order to defeat the mayor, rescue Precious, and save Liberty Park... Before it's too late!