Neville Longbottom gets up the courage to ask Hermione Granger to help him study for his upcoming Defense against the Dark Arts exam, and Hermione is determined to help him master every spell, however hopeless he may seem.

What if, when Harry Potter observed Snape's worst memory in his Pensieve, he noticed the inconspicuous black box that was nestled nearby? Harry, desperate to know more about his parents, endeavors to search through his hated professor's memories to find answers to questions that he does not know.

Even decades before Lord Voldemort or Harry Potter came along, the wizarding world was brimming with mysterious happenings and dramatic events. This is about to be discovered by four perplexing quadruplets who are going to change everything.

Sirius Black was bored. And when Sirius Black is bored, bad things happen. But this time it's not too bad... is it? Sirius comes up with the clever idea to time travel to the year 2000 to see themselves in the future. But is it really all that they hoped? And more importantly, will they destroy the timeline in the process?