Just when I'm beginning to think this might go on all afternoon - and still end up with me being hauled off in handcuffs - I see movement out of the corner of my eye. For a terrifying moment, I'm convinced some other member of the family has appeared to make this even more awkward, but to my relief, it's Orlando.

"There he is!" Luca says, smiling again. "Just the man who can clear up this whole thing."

Orlando's surprise fades to a frown as he takes in his brothers ...