A female police detective investigates a series of serial murders while dealing with sexist hostility from her male comrades.
Tennison on a new beat investigates the killing of a drug runner, with the runner’s employer, “The Street,” as her prime suspect. Meanwhile, “The Street” is conducting his own investigation into the killing, with the help of his team of hoodlums and his vicious rottweilers. And as Tennison rankles that her subordinates accuse her of sleeping her way to the top, she begins an affair with her married supervisor.