Mrs Harris is a salt-of-the-earth London charlady who cheerfully cleans the houses of the rich. One day, when tidying Lady Dant’s wardrobe, she comes across the most beautiful thing she has ever seen — a Dior dress. She's never seen anything as magical and she's never wanted anything as much. Determined to make her dream come true, Mrs Harris scrimps, saves and slaves away until one day, she finally has enough money to go to Paris. Little does she know how her life is about to be transformed forever...

Mrs Harris's adventures take her from her humble Battersea roots to the heights of glamour in Paris and New York as she learns some of life's greatest lessons along the way.