Three years ago, the Su clan of the Xinglin family was massacred, and the talented girl Su Qingyan was reduced to dust, hiding her name in order to survive.
Three years later, she was forced to become the caged bird of Xiao Jue, the powerful regent, because her eyes resembled his dead white moonlight.
He used her to test medicine to warm the bed, but he didn't trust her half-heartedly. He bestowed upon her supreme honor, and also rewarded her with a heart-piercing heart. While he was obsessed with her medical skills and companionship, he reminded her in the cruelest words: "Don't forget that you are just a substitute."
She suppressed her sharp edge and hid her love and hate, thinking that as long as she paid off her debt, she would be able to leave.
Until the bowl of poison that was supposed to be given to him accidentally destroyed the unformed flesh and blood in her belly and burned away her last trace of affection.
That day, her body was destroyed in the fire at the palace, leaving only a blood note: "From now on, we owe nothing to each other."
Everyone thought that the regent would marry his sister Bai Yueguang and reach the pinnacle of life.
But no one knew that after that night, the capital lost a ruthless king and gained a madman holding half of his sleeves, searching the world, muttering to himself.
"Yan Yan, come back... This time I recognize you."