DS Chen and Holland discover the body of a man in a disused sewer tunnel only moments after an identical murder in North London. Upon further investigation it appears that the victim is an ex police officer which leads Thorne to believe that this may be personal.
| Name | Type | Role | |
|---|---|---|---|
| Jim Keeble | Writer | ||
| Mark Billingham | Writer | ||
| Dudu Appleton | Writer | ||
| Sandra Oh | Guest Star | ||
| Benjamin Ross | Director |