Bai Wenqing is the adopted son of the Liu family. She has known Liu Wenyun, the eldest son of the Liu family, since childhood. Bai Wenqing has been outstandingly talented and unparalleled in intelligence since she was a child, and she even has the true inheritance of swordsmanship from the Liu family. In contrast, although Liu Wenyun is also very smart, she is more than a star behind Bai Wenqing in terms of swordsmanship. Bai Wenqing liked to do chivalry and justice, but this also caused a lot of trouble. When he was fourteen years old, he was famous in the Jiangnan area. When he was eighteen years old, the Liu family was wiped out and Bai Wenqing disappeared. Liu Wenyun and his younger brother Liu Wenchu survived. Liu Wenyun knew that the matter was related to Bai Wenqing, so after seven years, he returned to the world with the "Love" sword left by Bai Wenqing, but as Bai Wenqing.
A letter informed him that in the distant Chang'an, there was a person who was very similar to Bai Wenqing. Liu Wenyun decided to find out, and this person with Bai Wenqing was actually the adopted son of the prime minister at the time and a popular figure in Chang'an, Ling Baiyan. This person named Ling Baiyan has almost the same evaluation as Bai Wenqing when he was a boy: peerless in splendor and unparalleled intelligence!
It was not a chance encounter. Liu Wenyun unexpectedly discovered that this smooth, gentle and approachable Ling Baiyan seemed to have a secret of his own...