The discovery of electronic listening 'bugs' on some valuable antiques stolen from a country house, leads Maggie, Fred and Tessa into the world of espionage and petty crime. The bugs are 'foreign' in design, but why should they have been placed in the home of jailed forger Joe McCrewer?
| Name | Type | Role | |
|---|---|---|---|
| Terence Feely | Writer | ||
| Ian Collier | Guest Star | ||
| Marina Sirtis | Guest Star | ||
| Peter Dennis | Guest Star | ||
| Rachel Davies | Guest Star | ||
| Colin Rix | Guest Star | ||
| Donald Churchill | Guest Star | ||
| David Ashford | Guest Star | ||
| Alan Bell | Director |