Twin Flames in Daybreak Episode 6

Twin brothers, impersonating a warlord, massacre the Zhuang family. Zhuang Yun Qiu survives, posing as the warlord's daughter to marry into the warlord's household and seek revenge. During her marriage, she senses something amiss and learns that the warlord is actually one of the twins in disguise. The two avengers, testing each other and developing feelings for one another, join forces to expose the evil deeds of the powerful and protect the peace of their region…(Source: Chinese = Douban || Translation = MyDramaList)