There is always a price (гет)

What do you do when the worst comes to pass? When the battle is lost, your friends dead and buried in the ashes? What do you do when the monster tears apart your future with bloody teeth, only to disappear at the very moment the prize is waiting to be claimed?
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In which Voldemort wins the Battle of Hogwarts only to disappear without a trace, leaving Hermione on a cold case. When a desperate tactic with the time turner goes wrong Hermione must contend with finishing the hunt with no other than Tom Riddle himself.