On Chesil Beach is a romantic drama film based on the novel by Ian McEwan. Anne-Marie Duff plays Marjorie Mayhew, the mother of the male protagonist. The film follows the story of a young couple, Florence and Edward, who struggle with intimacy and communication on their honeymoon. Duff's performance as Marjorie brings depth to the character, portraying a mother torn between her own desires and the expectations of society. On Chesil Beach explores themes of love, desire, and societal pressures, offering a poignant and thought-provoking narrative.