Keira Knightley stars in upcoming Hulu series, The Boston Strangler. The chilling little trailer has Knightley in top form as her character begins to face the siege she’s The Boston Strangler It started.

Knightley’s character, Loretta McLaughlin, was a journalist who put herself in great danger and went above and beyond to ask questions the police wouldn’t. Without McLaughlin’s work, it is unlikely that the Strangler investigation would have gone as far.

Synopsis for The Boston Strangler it goes like this:

The film follows Loretta McLaughlin (Keira Knightley), a reporter for the Record-American newspaper, who becomes the first journalist to connect the Boston Strangler murders. As the mysterious killer claims more and more victims, Loretta tries to continue her investigation with colleague and confidant Jean Cole (Carrie Coon), but the two find themselves blocked by the rampant sexism of the era. However, McLaughlin and Cole bravely pursue the story at great personal risk, putting their own lives at risk in their quest to uncover the truth.

The The Boston Strangler starring: Keira Knightley (“The Imitation Game,” “Pride & Prejudice”), Emmy® nominee Carrie Coon (“Fargo,” “The Gilded Age”), Alessandro Nivola (“Amsterdam”), David Dastmalchian (” Dune”), Morgan Spector (“Homeland”), Bill Camp (“Joker”) and Oscar® winner Chris Cooper (“Adaptation”).

The The Boston Strangler arrives on Hulu starting March 17.