"Kill the prince, and you will be free." This was the last instruction Shen Qingshuang heard after ten years of training.
As the orphan of a former general, she was trained by a secret organization to become a top assassin since childhood. Tonight, she will finally complete her ultimate mission - to assassinate the current prince, Jamel Xiao.
But when her dagger was pressed against the prince's throat, those familiar eyes made her shudder. This was clearly her childhood sweetheart whom she thought had died in the war! What shocked her even more was that a secret letter in the secret room of the East Palace revealed an even more terrifying truth: the "prince" in front of her was just a stand-in puppet carefully cultivated by the prime minister.
"Help me find the real prince, and I will give you peace for the rest of your life." The fake prince clasped her wrist, with a complex look in his eyes that she couldn't understand.
From this moment on, assassin and prey form the most dangerous alliance of all. She hid in the East Palace as the prince's concubine, and he used her political power to investigate secretly. Above the court, the prime minister stares eagerly; within the palace walls, there are many mysteries about the real and fake prince; and between them, there is a sea of blood and hatred and youthful throbbing.
When the truth finally emerges, she must choose between revenge and love. Unexpectedly, a bigger conspiracy has just been revealed - it turns out that the massacre of the family ten years ago was never what they thought...