Callum and Kathy are a formidable double act this week as they try to carry out a major coup, but with Callum still playing some cards close to his chest, could Victor be even more useful to her?

Rachel’s proving rather a distraction for Callum anyway, and he’s also got his hands full dealing with his latest project, Frau Bellinghausen (a wonderfully imperious Lindsay Duncan), who is accurately described as ‘absolutely terrifying’. But can Callum get the secret formula for her family’s coveted perfume out of her?

Meanwhile, if Callum wasn’t busy enough, Harold finally reveals what he wants.

Unsurprisingly, there’s a risk involved – but from the glint in Callum’s eye, we reckon he’s happy to take it…