Dan is a fairly normal fifteen-year-old--he likes girls (obviously), hates school (ditto), and he lives to play bass guitar. But at home, things aren't normal at all. His mother is schizophrenic, and uses a system of numbers she's developed to determine if something is good or evil. She plasters the walls with pages of obscure calculations and lists of digits, and obsesses over them long into the night--and her behavior is only getting more and...