After her sister's tragic death, Yu Qinghuan was adopted by Jiang Mohan, the warlord's brother-in-law, and trained to be the boss of a brothel. Unexpectedly, she discovered that her brother-in-law, whom she loved and respected, was the murderer who wanted to kill her sister as soon as possible. Jiang Mohan thought he could break off all feelings and love, but he failed miserably because of Yu Qinghuan. The fog dissipated, and the two of them were both entangled in wrong love and destined to be together. The forbidden love flower bloomed in hatred, but will the misunderstandings and injuries between the two bring shackles or fetters?