Ruhma gets a shock from Harriet, while Rob gets reassessed. Scarlett tries to help a young woman whose house is making her child ill.
| Name | Type | Role | |
|---|---|---|---|
| Annabel Wigoder | Writer | ||
| Nicola Goodchild | Guest Star | Harriet Eldridge | |
| Gary Bates | Guest Star | Pete Burroughs | |
| Peter Fearon | Director |