Shen Qingci, who was the eldest daughter in her previous life, was poisoned and killed by her stepmother and concubine, and died in hatred. Reborn back to the age of fifteen and hairpin, she carried the memories of her previous life step by step, vowing to make her enemies pay with their blood. On the way, he unexpectedly formed an alliance with Xiao Jing, the prince of Prince Jing who appeared to be weak but was actually in charge of the secret guard. The two worked together to abuse the scum and fight for power. In the end, they uncovered the mystery of their origins and took control of the country together.