Huang Yin's Strategy: the Emperor and Empress' Tribulation

The heroine Su Wanwan, a missing princess from the Dasheng Dynasty, is smart, witty, tolerant and strong, proficient in medical skills, chess, calligraphy and painting, and is good at hiding her true emotions. The male protagonist Xiao Chengyu, the king of the north, later became the emperor. He is suspicious, ambitious, brave and resourceful, but he gradually loses his true heart in the face of power. He has complicated feelings for the female protagonist, who is both exploitative and sincere.