The nice house on the lake

"Everyone who was invited to the house knows Walter--well, they know him a little, anyway. Some met him in childhood; some met him months ago. And Walter's always been a little...off. But after the hardest year of their lives, nobody was going to turn down Walter's invitation to an astonishingly beautiful house in the woods, overlooking an enormous sylvan lake. It's beautiful, it's opulent, it's private--so a week of putting up with Walter's weird...