Tennant Tapes

Straight from the BBC site :)

The first wee snippet from David Tennants returning video diaries!

Looks like there are a few hints lying around... who was the person all in black?
And we even saw a glimpse of the script!

This is what I can make out from it:

A marble plinth, centre......
marble drinking cup. Solid.....
Gl...[BBC Logo]... levels. This is the CUP OF....

SECURITY CHIEF (CONT'D)

And, activating - 

He throws a big leaver on the wall

FX: There are four free-standing poles in a square around the plinth, and from them, a FLASH OF BLUE LASER BEAMS activates. Low hum of power. The square of guards are standing outside the fence, all facing out.

SECURITY GUARD (CONT'D)

Night then boys

He leaves. Footsteps echoing. The door shuts, SLAM!

Silence. Guards on duty.

PAN up the room, from the plinth & FX beams to...

The ceiling, a panel slides open, silently - 

I think this is a description of the beginning of the episode, when Michelle steals whatever she does from the Museum.