Phyllis Logan

And so she stays.

After a few of these successful scams, Phyllis Logan, Lady Jane from Lovejoy, turns up.

And she asks a few technical questions.

It all kind of goes a little bit wrong.

It would have said Lady Georgina of...

But yeah, she's posh and stuff.

So as they're driving back to the foundation in the Rolls-Royce, we learn that the schematics that Jez drew for Phyllis Logan in scene one... actually work.

So rather than getting them arrested or keeping them for herself, which she could easily do, she buys them off him for lots of money.