UNDER MAJOR EDITING: Mckenna Cooper was known for a lot of things but being a Justin Bieber fan was not one of them. In fact, Justin and Mckenna hated each other. When her uncle Scooter Braun which is Justin Biebers manager, asks her if she could come to California for the summer and try to help Justin stop rebelling makes Mckenna's world turn upside down. "How can we go from hating each other to loving each other?"