Hackett and team stake out a cargo ship carrying £30,000 in silver. A tip-off from snout Ted Knight points the finger at Jack Maynard. When the stakeout is terminated, the team discover Knight with his throat slit on the dock.
Harry Skeats runs a gang of jewel thieves. During a safe breaking, gang member Rocky Wall is badly burned; he's dumped and dies in hospital. Knowing they need a new burner, Hackett bails Tim Farlow out of jail to use has bait.