As per Deadline
Netflix has given the green light to a Keira Knightley-led thriller titled Black Doves, produced by Left Bank, the company behind The Crown, and Sister, the producer of Chernobyl. The series, written by Joe Barton, features Knightley as Helen, who has a secret identity and becomes involved in a passionate affair. When her lover becomes a target of the dangerous London underworld, Helen's employers enlist Sam to protect her. The announcement was made during a showcase event in London, which also included a sequel to Bank of Dave.
