Diane Hartwell delivered the news exactly the way she delivered everything else—as if she were announcing a minor change in the evening menu, something too trivial to disturb her impeccable composure.

She stood by the kitchen window, the last of the Arizona light catching the silver strands in her hair, one manicured hand resting on the cool marble counter. “Marcus’s new girlfriend is arriving soon,” she said, not quite looking at me. “She’s wealthy. Important. It’s best you don’t say anything… awkward.”