Hilton Soames, a lecturer in Greek at a university, notices that someone has gone into his study and looked at the text for an unseen translation exam that is due to take place the next day. Suspicion falls on the three students who live in the same building in which Soames lives and works, all of whom are entered for the exam.
| Directing | George Ridgwell | Director |
| Writing | Arthur Conan Doyle | Story |
| Writing | Geoffrey Malins | Writer |
| Writing | P.L. Mannock | Writer |
