Whenever I try to gain access, it changes.

It's like solving a Rubik's cube that's fighting back.

Stop.

Go in on that.

Granborough.

Granborough Road. It's an old Tube station on the Metropolitan Line.

Been closed for years.

Use that as a key.

Oh, look, it's a map!

It's London.

Subterranean London.

What's going on? Why are the doors open?

(COMPUTER BEEPING)

Oh, no.

Can someone tell me how the hell he got into our system?

Oh, shit.

Oh, shit, shit, shit.

He hacked us.