Once we had arrived in the Hamptons, settled in and I felt comfortable, I began to add small amounts of poison to the evening cocktails. It was from the oleander flowers. I had planted them carefully behind the barn in Ames. After only weeks, they were falling ill, listless, crying to go back to Ames. They felt too sick at the beach house. It was simple. I know you must think I'm a monster. But, really, they felt very little...