Josh is a 12-year-old who makes a wish from an old machine to be big. Not really believing it will work, Josh is very surprised to find himself BIG the next morning. Now he looks like a 30 years old guy, but he still behaves like a boy. He decide to go with his best friend to New York and try to find the machine that can fix his wish. In New York he gets a job in a toy company and develops a romantic crush on a beautiful woman. Now Josh must learn...

A 12-year-old boy's wish comes true when he asks a mechanical carnival genie to make him 'big'. He manages to land a job at a toy company where he experiences the complications of being an adult.