The night before Lena's first soccer game, her father tells her a story about how his mother used to act bizarre at his soccer games and embarrass him.
Because he is so different from his eccentric parents, twelve-year-old Guy is convinced he has been switched at birth with a classmate whose parents seem more normal.
Describes the love-and-logic philosophy of parenting, in which children are given responsibilities and allowed to succeed or fail, teaching them to deal with the consequences of their own choices.