PART 1

If you are embarrassed to come because you cannot afford a decent gift, please do not worry. You can help me look after the envelope table instead.

That was the voice note that Giselle Dupont sent me on the morning of her wedding. I had been working for a federal security agency for almost ten years, so my online presence was practically non-existent. I did not post photos, share my location, or brag about promotions, and I rarely opened the WhatsApp group chat for my old high school classmates.