I stayed up late on purpose.

The rest of the floor had emptied hours ago. The only light left came from the glass-walled corner office at the end of the hall. My boss, Mr. Cole, had asked me to finish the quarterly report and leave it on his desk before I went home. I told myself that was the only reason I was still there in a fitted blouse and pencil skirt long after everyone else had gone.

It wasn’t.

Adrian Cole was forty-one, tall, broad-shouldered, always in perfectly tailored shirts with the sleeves rolled up by evening. He had the kind of quiet authority that made people straighten up...