Witness for the Prosecution (1957)

Wilfrid Robarts is a top lawyer with the most unusual case of his career, defending a client accused of the murder of a wealthy woman. Everything takes on a different color when the defendant's wife, Christine, shows up to testify against her husband. This is the movie for you if you like mysteries with the trademark of Agatha Christie, who wrote the play on which the film is based on and which has a gripping ending.