Jack Isidore is a crap artist -- a collector of crackpot ideas (among other things, he believes that the earth is hollow and that sunlight has weight) and worthless objects, a man so grossly unequipped for real life that his sister and brother-in-law feel compelled to rescue him from it. But seen through Jack's murderously innocent gaze, Charlie and Juddy Hume prove to be just as sealed off from reality, in thrall to obsessions that are slightly more acceptable than Jack's, but a great deal uglier.