Steampunk/Victorian Ghost Story Idea

You know when you have all the elements of a story, and yet despite that you can't actually write it? A premise without a plot, maybe. It's effing annoying. Especially when you haven't written anything for over a month as well.

I was meant to write something for a steampunk challenge. I didn't manage it. I had an idea, it just repeatedly wouldn't go anywhere for me.

Steampunk ghost story. Sort of. Alternately, Doctor Who episode. The idea was Langel's Memorial Automata:

( Concept ramblings )