That Dangerous Age is a 1949 British romance film directed by Gregory Ratoff and starring Myrna Loy, Roger Livesey and Peggy Cummins.
[2] It was adapted from the play Autumn by Margaret Kennedy and Ilya Surguchev.
Sir Brian Brooke, a famous attorney, collapses while acting as defense counsel in a high-profile murder trial.
They receive an anonymous letter accusing Cathy of carrying on an affair with Brian's junior partner, Michael Barcleigh.
Brian's lawyer instincts makes him believe it, until Cathy reveals that Michael has confided to her that he is in love with Monica.