Martin Palmer escapes police custody during a car crash, and, reunited with fellow killer Stuart Nicklin the pair continue their murderous spree. Thorne orders Chen off the case when he learns of her drug problem, but desperate to make amends, she decides to track the pair alone.
| Name | Type | Role | |
|---|---|---|---|
| Jim Keeble | Writer | ||
| Mark Billingham | Writer | ||
| Dudu Appleton | Writer | ||
| Sandra Oh | Guest Star | ||
| Benjamin Ross | Director |