After getting blamed for spoiling Christmas, the richest kid in the world wishes he'd never been born. Unfortunately, a wishing machine, invented by professor Keenbean, picked up the wish and made it come true. Now Richie finds himself in a parallel world where his only hope is to find professor Keenbean and the wishing machine so he can wish things back to normal.

Now a pre-teen, Junior has fallen head over heels for a classmate who doesn't even notice him, but does notice three other boys – a child star, a hockey player and a Boy Scout – who are rivals to Junior. This means war!