To fulfil his grandmother’s wish, Bo Wing decided to go to the meeting place and made a wish upon a falling star in his grandmother’s name. Traversing time and space, Bo Wing returned to World War II and rescued the endangered grandmother. They promised each other to meet again in the same place no matter what. Then the war resumed and they were bombed. Bo Wing woke up from the dream and saw the granddaughter of the person who had saved his grandmother at the meeting place.