Smithy and Will investigate when they find a former east end gangster seriously injured, and discover three generations of an East End criminal dynasty working together. Ageing gangster Johnnie Jackson, sensing the onset of Alzheimer's disease, tries to rescue his grandson from a life of crime, but the seeds of destruction are already sown as young Jacko finds himself working for ruthless drug dealer Roger Hutton. However, before he can stop a bad turn of events, Jacko's body is found in a pool of blood.
Speical Guest: Edward Woodward
- Alex Walkinshaw as Sgt Dale Smith
- Christopher Fox as DS Max Carter
- Lisa Maxwell as DI Samantha Nixon
- Sally Rogers as DC Jo Masters
- Bruce Byron as DC Terry Perkins
- Ben Richards as PC Nate Roberts
- Cat Simmons as TDC Kezia Walker
- Daniel Flynn as Supt John Heaton
- Gillian Taylforth as Sgt Nikki Wright
- Gary Lucy as PC Will Fletcher
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