The Girl will premiere on HBO on October 20th. The film chronicles the relationship between Alfred Hitchcock and Tippi Hedren and we have the new trailer was just released:

"Starring Toby Jones and Sienna Miller, THE GIRL tells the story of iconic director Alfred Hitchcock’s obsessive relationship with his leading lady, Tippi Hedren, during the making of “The Birds” and “Marnie.” Written by Gwyneth Hughes (HBO’s ‘Five Days,’ ‘Miss Austin Regrets’), THE GIRL is directed by Julian Jarrold (‘Becoming Jane’, ‘Red Riding Trilogy’)."

Source: Collider