Awake and Alone

When Harry views Snape's memories, Hermione is with him. Snape adds a memory for Hermione's task, should Harry fail in the Final Battle and Voldemort kill him. Hermione is going back in time to stop the war before it starts. Warnings: Manipulative Dumbledore, T to be safe, I suck at summaries. Probably one of the following: RL/HG; SB/HG; SS/HG; RB/HG; JP/HG