Eleven-year-old Jaynell is taught to stay away from the Pickens-the poor family from the wrong side of the tracks. Fact is, nobody in Moon, Texas, has much, but everybody is real aware of who's got what and how much. Except Grandpap. He always makes time to visit with the Pickens, even after he buys a '62 emerald green Cadillac convertible. When Grandpap dies, Jaynell learns a secret about Grandpap that changes the way she will look at poverty forever.