The Importance of Being Earnest (2011)

In 1890s London rakish Algy runs into friend Jack who's in town to propose to Algy's cousin Gwendolen. Algy discovers Jack has a brother 'Ernest' and a ward called Cecily. While Jack deals with Gwendolen's mother, Algy tries to meet Cecily. Hilarity ensues when both arrive in the country posing as 'Ernest'!