Probationary Constable Jane Tennison faces a disturbing murder investigation, when a teenaged girl's body is found in a carpark under a housing estate in Hackney.
Tennison continues to look into the Julie Ann murder case, by tracking down a lead. Clifford Bentley may have put his family's best interests in jeopardy as he plans a retaliation attack.
With the major breakthrough in the case, Julie Ann's family have to face the brutal truth about her final days. Clifford returns to a hero's welcome after being released from prison.
The Bentleys plans are almost blown out of the water by a visit from the police. Jane's relationship with DI Bradfield develops, and she soon begins to worry about her career.
Jane uncovers an important lead in the search for Julie-Ann's murderer. Bradfield is advised to leave the Bentleys alone, but decides to follow their trail anyway.
In the aftermath of the explosion in the bank vault, the police operation descends into pandemonium and panic. Police officers search the rubble for survivors and find Gibbs and a badly-injured colleague.
Stefanie Martini
Jane Tennison
Sam Reid
DI Len Bradfield
Blake Harrison
DS Spencer Gibbs
Alun Armstrong
Clifford Bentley
Joshua Hill
DC Edwards