John Worthing, J.P. who is popularly known as Jack in the country comes to London and visits his friend Algernon Moncrieff. Though he does not approve of the frivolous nature of Algernon he likes him much. Moreover, he has fallen in love with Algernon’s cousin, the Hon. Gwendolen Fairfax. She is determinant of marrying a man whose name is Ernest. So, Jack calls himself Ernest and the name Ernest impresses her to love him. Besides taking this assumed name, Jack has fabricated a fictitious idea among his people in the country that he has a dependent younger brother called Ernest who lives in London. Hence, he has to take care of him. Using this invention he comes to London frequently. Thus, he is known as Jack in the country and is called as Ernest in London. Jack is such a gentleman that his ward Cecily Cardew believes whatever she tells him. Lady Bracknell, the mother of Gwendolen Fairfax, wishes that her daughter should be married to a man of eminence. She, however, lear...