当理奇发圣诞礼物给孤儿院，院童出了意外后、他难过的希望自己未出生过，金宾博士的许愿机实现了这个愿望！现在理奇身处的小镇却不再是他熟悉的样子，更糟的是没人认识他。 他必须在期限内回到原来的世界，才能重过以前的快乐生活，并阻止他脾气暴躁的表哥，破坏普世欢腾的圣诞节。

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!