It deserved better than a 6.5 - Spoilers
It was a good story, with an improbable ending of the two lovers making their escape from the bigotry of the town and suddenly winding up together in a Japanese internment camp. Maybe the internment camp scene was meant to show a dream sequence or wishful thinking by the screenwriter.
Better stories of bigotry against Japanese-Americans in WWII are Come See the Paradise and Snow Falling on Cedars.