Detective Chief Constable Blackton begins an investigation into both the Cripps shooting and the investigation into James Lampton, which drags up problems for both Commander Blake and D.C.I. Hedges. Matters become worse when Blackton begins looking into the Commander's affair and the subsequent arrest of Lampton, while she also has to deal with the death of her sister.

• Lynda La Plante

• David Sterne
• Bronson Webb
• Pip Torrens