She is the world's number one killer, Bing Xin. With fierce skills and stunning appearance, he can do almost anything. By mistake, he traveled through time to Xia Ruoxi, the second young lady of the Xia family who was rumored to be extremely ugly, crazy, stupid, unruly, and abandoned by men. Her talent awakened. Who knew how true and affectionate she was after taking off her cold and indifferent mask? Righteousness, who knows how the rumored ugly woman stood at the top of the world and looked down at the people, and how outstanding the brother and sister who were called bastards were. Let's see how she subverts the world, and how she finds the one who accompanies her throughout her life in this world...