Little Dorrit grows up in the Marshalsea debtor's prison, where her father has been imprisoned ever since her birth. When Mr Dorrit's debt is excused, he is anxious to forget his inglorious past and be accepted back into the best circles of society. Dickens criticizes the hierarchical society which would demand such an impossible thing of a man, and also questions which class of their acquaintance are good people and true friends. When one of London's biggest banks fail, everyone is affected, high and low alike.