Lin Xiao, a modern social animal, traveled back to the Tang Dynasty due to a mountaineering accident and was reborn as Ah Fu, a maid who had just died for the savior. Facing the fragmented Tang family, she is no longer a powerless bystander as she was a sinister business elite during her lifetime. Instead, she will turn modern wisdom into a sharp blade and set off a perfect revenge of her own in this era. She wants to protect the young lady who once gave her warmth, make all her enemies pay the price, and live a free and unrestrained life for herself.