What Happens At Hogwarts

As a child you grew up with Draco Malfoy. He was your best friend and would do anything for him. But after being enrolled in Hogwarts and being sorted into different houses he stopped talking to you all together. But a few years later he comes back into your life much to your Gryffindor friends disgust. This causes long kept secrets to be revealed and your world to come crumbling down.