Computer animated adventure comedy revolves around June Bailey, a girl with a bright imagination. She and her mother come up with the story of Wonderland, an incredible amusement park hidden in the woods. The park is run by fantastic talking animals: Boomer, a big blue bear, Greta, a wild boar, Gus and Cooper, beaver brothers, Steve, a porcupine and Peanut, a chimpanzee. When her mother ends up in the hospital, June gives up the beloved project with a heavy heart. But later she comes across that wonder park, this time life-size and can't but notice it has become shabby. June is the only one who can bring it back to its former glory, she takes on a challenging task.