A small town elects a dog mayor and, even with foes trying to put a stop to his campaign of fun, Mayor Good Boy helps Greenwood become a town filled with kindness.

Both Nate Wright and school bully Randy Betancourt have crushes on the new girl Ruby, and altercations between the two boys result in peer counseling sessions that eventually lead to an unlikely friendship and their becoming teammates on the school's ultimate frisbee Mud Bowl team.