When Kate started to occasionally flirt online with a man she didn't know, she viewed it as harmless fun on boring weekends. After all, she had been widowed three years earlier. She didn't yet feel ready to date. But for some reason, Kate did not feel the least bit threatened by the chance to act rather adolescent at home alone on the computer.

As the weeks and months went by, she found herself thinking more and more about Ernesto, her online friend. In the time they had communicated, Kate learned that Ernesto was a successful architect in Chili. He was divorced, childless and two years older than Kate. He loved to travel.

In fact, Ernesto planned a trip to the United States. When he asked Kate [...]