Secret Society against Pureblood Supremacists

Thanks to a Potions accident, Harry, Ron, Hermione, Ginny, Malfoy, and Daphne find out that there is a chance of another war in the future of the wizarding world. Is there a chance to fix everything before it's too late? Can they avoid all the mistakes they saw during the accident or will the war still happen? Is the wizarding world at risk of getting exposed? Read on to find out!