During the Republic of China, there was a warlord regime in Jiangsu, Zhejiang and Shanghai. Su Liyue was originally a merchant's daughter, but her family was exterminated. However, she pretended to be dead and narrowly escaped death. When she was about to escape, she happened to be seen by Shen Chengyu who came to the scene. The latter became the warlord chief of the separatist regime at a young age, but he did not do anything to her and instead let her go. Su Liyue knew that she could not find out the truth and take revenge by herself. She had to rely on a certain amount of power, so she turned her attention to Shen Chengyu. After an accidental encounter, she successfully married into the Shen Mansion as the fourth concubine. Can she find out the truth? Is the relationship that we spend together day and night true or false? How should they choose in the chaotic world where warlords are fighting...