This movie is about a woman missionary pre ww2 who goes to china to help her mentor. Her mentor dies and she turns the mission into a orphanage. After the Japanese invade China she must evacuate all the children across the mountains... she falls in love with a Chinese solder who helps her.

The Inn of the Sixth Happiness (http://en.wikipedia.org/wiki/The_Inn_of_the_Sixth_Happiness)