Louis' Dream

Does anyone remember that interview where Louis said that he had a dream about a new member joining the band and fighting with him.
What happpens when the new member tries to slowly get rid of all the members in the band?What if the boys have to find a way to get this guy out of the band?
And what if Uncle Simon doesn't believe them?
Let's take a look into Louis' Dream closer and try to see what really happened.