"National Color Tianxiang" is a love suspense drama starring Liu Kaiwei, Ye Xuan, He Shengming, He Saifei and Pan Hong, and co-starring Xi Xue, Gao Hao, Xu Qiwen, Lv Jiarong, Chen Xiao and Yuan Bo!
Gong Shaohua (He Shengming), the young master of the Gong family who is the largest family in Baihualing, and Su Yuning (Ye Xuan), the eldest lady of the Su family, have been engaged to marry since childhood. Su Yuning is gifted and particularly sensitive to taste, and is recognized as the first perfumer in Baihualing. Gong Shaohua goes out to learn to refine incense, and Su Yuning meets Xiang Haoyu (Liu Kaiwei), the eldest young master of the Xiang family, and the two fall in love at first sight. The Su family destroyed the marriage, and the palace lord coveted the ancestral perfume secret recipe compensated by the Su family, and secretly agreed to withdraw from the marriage without Gong Shaohua.
Gong Shaohua has a grudge against Xiang Haoyu and Su Yuning, and when Xiang Haoyu goes abroad to attend the perfume conference, he kills Su Yuning with extremely cruel means, and soaks her body in the glass of the perfume.
By chance, Gong Shaohua discovers the exact same hongyu (Ye Xuan) as Su Yuningchang, and he spends three years instilling in Hongyu the idea that Xiang Haoyu is her enemy. Then he sent her to Xiang Haoyu's side to get revenge on Xiang Haoyu. No matter how many wrong things Hongyu did to Xiang Haoyu, Xiang Haoyu has always been careful to tolerate her, and gradually Hongyu has fallen in love with Xiang Haoyu.
After some arduous searching, Hongyu began to approach the truth of his life step by step. And her true life is related to the truth of the Su family's extermination. In the end, Xiang Haoyu also knew that she was not really Yuning and was willing to accompany her. But Hongyu let go of Xiang Haoyu's hand and went alone to find the mystery of his own life...