Celina’s afternoon had been flowing in quiet calm inside her mansion. Sunlight streamed through the wide windows of the main living room, where she sat on the enormous light-linen sofa, her legs stretched out over the cushions, a laptop resting on her thighs. The soft rhythm of the keyboard filled the otherwise silent space. With the twins’ birth approaching, Celina tried to get as much of her new book done as possible. She was immersed in an emotional scene when the doorbell rang.

The housekee