He smiles again, brightly, and turns back down the hall.

Somehow they make it all the way to his cell, holding hands like strolling schoolgirls, without getting caught. The Joker breaks back into his cell and then, cheerful as you please, hands over the bent paperclip he used to do it.

The paperclip is from her office. However he got out in the first place, it wasn't like that.

"G'night, hon," he murmurs, and steps inside.