The Prisoner is a 1955 drama film directed by Peter Glenville and based on the play by Bridget Boland. The film stars Alec Guinness and Jack Hawkins.
The Interrogator eventually breaks though by showing how the Cardinal became a priest to escape from his childhood. To purge his sin, in the show trial the Cardinal confesses to every lie of which he is accused, and is released to face a silent, bewildered crowd.There is a subplot about a young warder Ronald Lewis who is in love with a married woman Jeannette Sterke, who wants to leave the country and join her husband. ........
Source: Wikipedia