We drove into Silver Bay, finding a seat by the window on a café overlooking Lake Superior, and having fish sandwiches and chips. We were having a wonderful time, holding hands, watching the gulls flocking over the area, when he suddenly stiffened. He raised his nose, taking a deep sniff, before he stood up and pulled me behind him. "What's going on," I asked.

"Stay behind me," he said. I looked around, I didn't see anything wrong. The café was nearly empty, but he was staring at an older man with his wife who had just walked in. He looked to be about sixty, and his wife in her forties....