Murdoch investigates the death of a young woman that leads to a blackmailing expert and an old friend of his.
Tropes:
- Blackmail: What the entire plot centres around.
- Concealing Canvas: The safe in Abigail's apartment is hidden behind a decorative panel.
- Fiery Cover Up: The killer sets off a bomb to make it look like MacTavish died in an explosion caused by a gas leak.
- Honey Trap: The Victim of the Week Abigail lures men to her apartment and gets them into compromising positions so that her partner can photograph and blackmail them.
