In Shanghai in 1935, Shen Zhiwei's poisonous needle was pressed into Lu Yan's throat. The lover who broke up without saying goodbye three years ago has now become the youngest inspector general of the military. When the gunshot sounded on the dance floor, his actions to protect her were still like that afternoon at Yenching University where wisteria was flying... When trust is more scarce than bullets, in this spy war in the name of love, who is waiting for the return of the tide, and who is forever lost in the fog offshore?
