'The fact is, Mark, that you and I cannot conceive the depth of fraud in such a man as that.' The Reverend Mark Robarts makes a mistake. Drawn into a social set at odds with his clerical responsibilities, he guarantees the debts of an unscrupulous Member of Parliament. He stands to lose his reputation, and his family, future, and home are all in peril. His patroness, the proud and demanding Lady Lufton, is offended and the romantic hopes of Mark's sister Lucy, courted by Lady Lufton's son, are i