Dr. Crabtree (Donald Meek) and Insp. Carr (John Hamilton) are visited by a man who has been receiving notes threatening to kill him. The latest note says he will die at eight o'clock tonight, so Carr sends a couple men to his house. Sure enough, the many is murdered under everyone's noses, so the two men must find out what really happened.
| Actor | Role |
|---|---|
 Donald MeekDr. Crabtree | Dr. Crabtree |
 John HamiltonInspector Carr | Inspector Carr |
 Libby TaylorSusan the Maid (uncredited) | Susan the Maid (uncredited) |