Li Fugui: Female, the daughter of Li He, a rice merchant family in Bianliang. She fell in love with Ye Zhen when she was young. When the two made a promise of eternal love, they heard the news that Ye Zhen had drowned and her heart was as cold as death. Two years after Ye Zhen's death, his fiancé Qi Anbang, who had made a matchmaking arrangement when he was a child, suddenly died suddenly. Fugui was unjustly imprisoned, and because he wanted to die, he was forced to confess by corrupt officials. The next day, he signed a confession on the pleading. The day before he was beheaded, he was tricked by his cousin Li Xiaoxiao. Li Xiaoxiao sacrificed his life and died on the guillotine. From then on, Fugui survived as Li Xiaoxiao.
Ye Zhen: His real name is Shen Linxi. He is the fifth son of the current emperor. He lost his mother when he was 12 years old. He has stayed in the Li family since then and fell in love with Li Fugui, the third daughter of the Li family. Later, he was killed by thieves and almost drowned. After a narrow escape, he was rescued and returned to the palace. He has since been named King Yongshun. Due to a severe brain injury, he lost his memory. After five years of treatment, he remembered his childhood sweetheart, Fugui. After recovering, he returned to Bianliang, only to find out that Fugui had been executed by beheading for murdering his husband two years ago. After being heartbroken, he rehabilitated Fugui and returned to the imperial capital, Longcheng!