Such Brave Girls - Clip - A Valuable Lesson - Promo Trailer HD - Deb (Louise Brealey) hatches a plan and teaches her daughters (Kat Sadler and Lizzie Davidson) a very valuable lesson.br br ABOUT SUCH BRAVE GIRLSbr A dysfunctional family sitcom following sisters Josie and Billie and their single mother Deb as they navigate life —armed with nothing but poor judgement and bad self-esteem. They're vain, selfish, heavily in debt, pathologically desperate for affection and bursting with misplaced, terrifying love.