Lin Haisheng first met Shu Yiyun in Peiping in 1919. At that time, she was just a little girl following her brother while holding a small flag and holding a candied haws. They met again ten years later. Lin Haisheng became a spy for the National Army hidden in the Japanese army, but Shu Yiyun was a member of the underground party's anti-corruption group. Let's see how they write their own stories in that changing era after reuniting.
Intention: love, hatred and hatred for family and country