Two strangers who meet at a mutual friend's wedding have the chance to relive important moments from their pasts, illuminating the path that led them to the present and gaining the opportunity to change their futures.

As they enter the 1930s, and facing public scandal and financial trouble, the household grapples with the threat of social disgrace. The Crawleys must embrace change, with the next generation leading Downton Abbey into the future.

Life seems easy for picture-perfect couple Ivy and Theo: successful careers, a loving marriage, great kids. But beneath the facade of their supposed ideal life, a storm is brewing, and a tinderbox of fierce competition and hidden resentment ignites. Please Note: This film is rated MA15+, under 15s must be accompanied by a parent or adult guardian, IDs will be checked.