Harry is going to be the new Hogwarts Defence Against the Dark Arts professor. Unfortunately, he finds out Draco Malfoy is also going to be starting as a Hogwarts professor. Their rivalry is, of course, not budging. But since they're teachers now, they're not allowed to fight. They become terribly competitive and their students start to get a different idea about their relationship

Merlin can feel his world crashing to the ground around him, and all because Arthur is actually TRYING to help him, well people like him because Arthur still doesn't know he's a sorcerer. Merlin should be grateful, though, right? But all he can think about is how he has betrayed his best friend because he has been a coward.