After the fall of the Chen Kingdom, the legitimate princess Shen Zhaoning, bearing a blood feud, pretended to marry into the Jing Kingdom and married the seventh prince Gu Changyuan, who was rumored to be a prolific murderer. She was ignored by her husband on her wedding night, and the whole city was waiting to see the joke of this subjugated princess. Little did she know that the moment she stepped into the palace, she had already engraved every sentry post and every secret passage in her mind. No one even knew that she and the cold-faced prince had an unknown past long before the country was destroyed. The princess who is forbearing and docile on the surface, but the sinister prince who is hiding in the dark - when everyone's conspiracy comes to light, it is when she becomes a phoenix out of fire and rules the world.