Becky is in Hampshire as governess to Sir Pitt Crawley's neglected daughters. Determined to get into his good books she quickly lands a promotion to secretary. The arrival of Crawley's sister prompts a new plan.

Cast: Olivia Cooke, Johnny Flynn, Claudia Jessie, Tom Bateman, Mathew Baynton, Simon Russell Beale, Richie Campbell, Sian Clifford, Martin Clunes, Lauren Crace, Frances de la Tour, Niamh Durkin, Orli Goldstein, Mike Grady, Madeleine Hyland