Lost in Austen (2008)

Amanda (Jemima Rooper) has become increasingly bored and frustrated with modern life. She craves the world of Jane Austen's Pride and Prejudice - a world of courtship and romance, of bonnets and ballrooms.

One fateful evening, after a difficult day at work and a lacklustre marriage proposal from her boyfriend Michael (Daniel Percival), Amanda discovers Elizabeth Bennet (Gemma Arterton) in her bathroom. There is a door behind the bath that has been boarded up for years, which Elizabeth says leads through to her family home, Longbourn.

Amanda pushes the door and finds that it opens into a strange corridor. She climbs through the doorway, marvelling at where on earth she could be, when suddenly the door slams behind her, leaving Elizabeth in modern day London and Amanda in Georgian England...