 An outspokenly radical professor stands accused of pushing a college administrator through a balcony guard to his death. Although it s rumored that this popular lecturer was having an affair with the victim s wife, he refuses to provide Rumpole with an alibi and stands on his right of silence. Rumpole;s views on that right are impacting on his colleagues Ballard and Erskine-Brown. The former refuses to disclose the contents of a tartan bag to his new bride causing her to view his after-hours activity with suspicion while the latter tries to cover up his extra-marital activities by incriminating himself with a patently false explanation.