Every Sunday, my wife Melissa and I have brunch at this Miami cafe called the Corner Perk.

It smells of sandalwood and has a lively weekend brunch crowd. People sit and drink on the patio in oversize sunglasses while tiny bowls of water keep their purse-size dogs hydrated in the heat.

In recent months, Melissa and I had been noticing a waitress named Claire. She wasn’t your typical hot girl — she was more of a bookish kind of beauty, with long, auburn hair and tortoiseshell cat’s-eye glasses. My wife and I had been swingers for a while and we agreed that Claire was exactly the kind of woman we’d love to invite home.

Claire had always been friendly to us, but in recent weeks she’d become flirtatious in her manner, even tossing what we’d interpreted as playful signals... Read More