When Kat discovers that her husband, Griff, has been hiding a secret bank account, her joyful consumerism suddenly loses its appeal. Are their fights about money more serious than she understood? Is he, as her friends suggest, preparing for a divorce? Just in case, Kat decides it's time to start saving and she joins an eclectic but lovable group of savers called the Penny Pinchers Club who teach her that saving time with family is as important as saving money.