Accompanied by her son, Anna Owens arrive in Siam to educate the king's harem and his sixty-seven children. She soon discovers there are many obstacles to overcome and it is only through her ingenuity, wit and dedication that she is able to continue her work. Slowly, she sees the effect of her influence on the court, but it is not until the stubborn king realises he needs Anna's wisdom and guidance that her difficult mission is a success.