Flames of Passion 1922 was a British silent film drama directed by Graham Cutts, starred Mae Marsh and C. Aubrey Smith.
The wife of a wealthy barrister seduces her chauffeur, with whom she falls in love. She gives birth to a baby, apparently without her husband knowing anything about her pregnancy.The child is killed by the chauffeur during a car accidenthe was visibly drunk when driving. The result is a showpiece trial at the Old Bailey, presumably of the chauffeur on a charge of infanticide, in which the woman at first tries to protect her lover, but is forced finally under crossexamination to make a dramatic public confession that the dead infant was hers. By the end of the film, she returns to her husband. ........
Source: Wikipedia