The elder sister and the second master are close friends, and she marries the third master as his wife.
In a war-torn era, the feelings of family and country, national justice, husband and wife are separated, and sisters take different paths. When they met again, forty years had passed... The third master asked her, do you still remember that you have a sister? She only remembered that the second master died for her, and it was her sister who fired the gun.
Score secretly by yourself
Looks good, wait and see later