Half an hour later we were ready to leave. A loud voice boomed out across the streets. “Fog Warning. Fog warning. Visibility down to two metres. Public transport has been suspended. I repeat, visibility down to two metres. Public transport has been suspended.” That was going to scupper our plans. But it was Sunday, so I didn’t have to go to work. Work? I’d forgotten about work. What was I going to tell them when I didn’t turn up at the school? Sestra said I didn’t have to tell them anything – they’d soon find out when I didn’t turn up to teach on Monday morning – but I didn’t like to let them down without so much as a by-your-leave. She was right though. I couldn’t tell them. I was on a secret mission. I settled myself down on a beanbag. “The fog visibility is too bad. We’ll have to w

