Disturbance at Hogwarts (WIP)

An Unexpected Letter

"Avada Kedavra!" Voldemort screamed as he flicked his wand at Ginny. She fell to the ground with a very audible thud. Harry couldn't think. Voldemort had just killed Harry's wife in front of his eyes. He couldn't believe it. Harry killed voldemort over 10 years ago and somehow he just killed Ginny. Harry is frozen, he can't move, he can't speak. The only sound is of Voldemort maniacally laughing as he approaches Harry. "It is time for you to die once and for all Potter!" Voldemort said as he glided across the room. "Avada Kedavra!" The last thing harry saw was a large green light and then nothing.
Harry shot up nearly screaming. He was in his bed, his wife appeared to be in the bathroom. He was then quenched with relief. The dream had been frequent over the past couple of years. Harry knew that Voldemort could not return but Harry also knew he still had enemies. Voldemort had thousands of followers; some still had to be out there. "It's about bloody time you wake up!" Ginny says with a smile. Harry loved Ginny with all his heart and was so proud of her. Ginny had somehow over the years had gotten the position of chaser for the Hollyhead Harpies. "You've got a letter on the table by the way. It's from Hogwarts." After getting up, getting dressed, and cleaning himself up, he made his way to the kitchen. The kitchen smelled delightful, Ginny made bacon and eggs on toast, a simplistic yet delectable breakfast. As he ate, he opened up a small purple envelope from Hogwarts.
It reads, "Dear Mr. Potter, I hope this letter finds you in good health. To get straight to the point, I'd like to speak with you about a very important matter involving the safety of Hogwarts. Just come by the headmaster's office when you can." Sincerely, Headmaster McGonagall. Harry put the lever back in the envelope and began inhaling his breakfast.
"What was the letter about?" Ginny asked as she sat opposite if him. "Apparently Headmaster McGonagall has a safety issue at Hogwarts and wants to talk to me about it." Harry replied. "If they are calling for an Auror it must be pretty severe." Ginny retorted. Harry nodded in agreement. Harry couldn't believe that he had achieved his aspiration of becoming an auror. He and Ron became aurors after the war at hogwarts. Harry was happy, he got to work with his best friend, he got to be married to Ginny who was also a professional quittich player, Harry had it good. "Well, I best go grab Ron and get to Hogwarts as soon as I can."