Dusk, or dawn, and when the doorbell sounds my brain vibrates painfully. It's John and Queenie, on vacation from Hong Kong. And once you've been a good host once, it's impossible to live down the reputation. Here we go again.

"We want to play the rock 'n' roll game," they say.

"It's a lot more dangerous since you last came," I reply. "Things have started to get a little out of hand."