Miss Pickering has an ulterior motive for a newspaper ad, as do the four gents who reply.
BBC Radio 7
Retired special agent Harry Davis is drawn back to his old job for an assassination plot.
5/5 Sergeant Fowler takes steps as his suspicions grow over his boss Chadwick's conclusions.
4/5 With boats wrecked and phone lines down, Sergeant Fowler makes an important discovery.
3/5 With a serial killer on Sergeant Fowler's hands, police radios pick up mysterious signals.