Prime Suspect (1991) 
A female police detective investigates a series of serial murders while dealing with sexist hostility from her male comrades.
Prime Suspect: Prime Suspect Series One (Two Episodes) Season 1 (Full Season)
Following the death of a senior investigating officer, Jane Tennison (Helen Mirren) is grudgingly given the opportunity to take over his latest homicide investigation, the brutal assault and murder of a young woman. Intelligent and ambitious, Tennison struggles to construct a case against the prime suspect while also dealing with institutional sexism and the toll her career takes on her personal life.