The Hereditary Principle
| Episode Number | 7 |
|---|---|
| Season | 4 |
| Aired | 2020-11-15 |
| Overview | Grappling with mental health issues, Margaret seeks help and discovers an appalling secret about estranged relatives of the royal family. |
| Runtime | 50 minutes |
| Absolute Number | 37 |
| Finale Type |