She was the number one killer in China, an expert in medicine and poisoning, but she was betrayed by her trusted confidant and surrounded and killed. When she opened her eyes again, her soul transformed into the foolish three-year-old daughter of the Prime Minister's Mansion of the Tiansheng Dynasty.
The people in the mansion regarded her as an outcast and bullied her wantonly. Little did he know that inside this young body lived a cold and bloodthirsty soul.
Make money at the age of three and gain power at the age of five.
On the surface, she is the ignorant and naive seventh lady of the Xiangfu who is gradually "enlightened"; secretly, she is the queen code-named "You Tan" who controls a huge underground empire. The brothel is the dark web where she collects information, and the killer organization is her sharp blade to eradicate dissidents.
She originally wanted to secretly accumulate strength and demand her life from her former enemy who was hiding in the enemy country. Unexpectedly, in a game of chess with an opponent, she met that man - the powerful Prince Zhenbei. He is as sharp as an eagle, approaching the truth under her perfect disguise time and time again.
When family ties become a weakness, when love and revenge intertwine, a shocking conspiracy sweeping the four countries slowly unfolds...
Let's see how a three-year-old child plays chess behind the scenes in this troubled world, stirs up the world, and finally reaches Kyushu, creating an immortal legend!
