A veteran British barrister must defend his client in a murder trial that has surprise after surprise. Agatha Christie’s another story ‘Witness for the Prosecution’ was screened on Friday at Bharat Bhavan. The screening marked the fourth day of film festival Ekagra. The film festival is organised by Bharat Bhavan and it is based on the novels by the famous crime novelist Agatha Christie. Witness for the Prosecution is a 1957 American courtroom drama film with film noir elements. It was co-adapted and directed by Billy Wilder and starred Tyrone Power (in his final screen role), Marlene Dietrich, and Charles laughton, with Elsa lanchester in a supporting role. Set in the Old Bailey in london, the picture is based on the play of the same name by Agatha Christie and deals with the trial of a man accused of murder. This was the first film adaptation of Christie's story, and was adapted for the screen by larry Marcus, Harry Kurnitz and Wilder. It's Britain, 1953. leonard Vole is an unemployed inventor, his latest contraption being a new-fangled egg beater. He is married but through a chance encounter, became friendly with a rich widow, Emily French. When Vole is accused of her murder, his solicitor refers the case to a brilliant barrister, Sir Wilfrid Robarts to lead the defense. Robarts believes his client to be innocent but his alibi rests on the testimony of Vole's wife, Christine. As the jury would expect a wife to defend her husband, he decides not to call her as a witness.