Daniel and Zara get an alarming call from the police, while Cassidy gets a break in his case against Nicholas Thorne. A young woman is asked to deliver some important letters, but who is she delivering them to and why?
| Name | Type | Role | |
|---|---|---|---|
| Terry Mynott | Guest Star | DS Matt Cassidy | |
| Jamie Satterthwaite | Guest Star | Nicholas Thorne |