This story occur eight months post Reichenbach. Sherlock while recovering from injuries; is asked to assist in a high profile kidnapping. Sherlock fights against time to save the victim, while fighting against memories that threaten to destroy him.

The Chitauri can access Loki's mind. They blame him for the defeat. It's not pretty.

He couldn't shake the biting possibility that what resided under his flesh and skull was little more than air and shadows. But oh, what a shimmering shadow he was, airy scales of a shining snake in the frozen moonlight.

When Professor Snape heals Hermione's injuries after the Battle of the Department of Mysteries, they are both surprised by what they learn. The two must work together to help Harry defeat Lord Voldemort.