Harry Potter disappeared during the Triwizard Tournament.
They never knew what happened to him, nor did they find him (or his body) despite the Ministry sending a team of Aurors to search for his whereabouts.
He just simply disappeared.
Gone like a whiff of smoke.
Probably even dead…
Of course, this was confirmed when Voldemort silently took over the Ministry within a year. Whispers of his resurrection had not started until eight months after Harry's disappearance.
But by then, it had already been too late.
Harry Potter, the chosen one, was dead.
Dumbledore's hope to defeat the Dark Lord using Harry was no longer an option.
Hence, the headmaster had turned to the next best thing to do the job for him.
At seventeen, Hermione was given the task to do what should have been done a long time ago: Defeat Voldemort while his power and influence was still gaining momentum.
In short, Hermione had to go back in time and sabotage Voldemort's plans.
Read the rest via the link in the description!