That, my dear detective, was the other San Francisco. You've probably seen it before, just out of the corner of your eye. You've probably dismissed it all your life. Maybe you always told yourself you'd just had too much to drink." She paused, her gaze heavy on his face. MacMillian squirmed. "But I'm guessing you always knew better."His head was throbbing. He shook it once, twice, but it didn't clear. "I don't get it, Miss...""Alan," she supplied.He nodded. "Ms. Alan. Why are you here?"Her eyes darkened. "Because there are things that go bump in the night, Mr. MacMillian. It's my job to bump back.