She was the ace killer of the 21st century, codenamed "Shahua". She and her partner "Manzhu" died under the organization's calculations.
After Nirvana, she was Princess Jing'an of Prince An's Palace. She was loved by all, but on the day of the full moon, her loving parents took advantage of an assassination and left her, leaving her and her brother in the care of her grandfather, Prince An.
However, there are still various poisonous hands and assassinations emerging one after another. In order to protect her family ties, find her parents who loved her but had unspeakable secrets and had to leave, and her partner who lived and died with her in her previous life, she chose to leave Prince An's Mansion, hide her world-famous face, practice with her master, and form her own power.
And there was a person who broke into her world with a tough attitude. What followed was more troubles and conspiracies, which deeply tempered her gradually warming heart, and the love that was finally established...