Once, in Beijing, a young girl in a red gown huddled in a doorway. She looked over her shoulder to peer at the mouth of the alley. Seeing no one, she ducked out of the doorway and ran towards the seeming dead end. Stepping onto the large crates piled at the end, she looked up at the rope that was starting to dangle down from the roof, 5 stories above her. Taking a firm hold of the rope, she hoisted herself up, hand over hand, until she made her way up to the roof.

"I have the key," she says to the cloaked figure. "We have 10minutes before they release the dogs. Let's