Su Qingwu, the daughter-in-law of the Prime Minister's Palace, is a well-known loser in the capital. Everyone knows that she is madly in love with Prince Jing Xiao Yu and would not hesitate to destroy her reputation for him. But no one knows that she is just faking it! She is the descendant of the most poisonous sect in the world, and she lurks in the Prime Minister's Mansion just to find out the truth behind the sect's destruction. Prince Jing Xiao Yu is one of her targets. Xiao Yu had a Bai Yueguang in his heart, and he disliked Su Qingwu in every possible way, but he didn't know that the Bai Yueguang he longed for was just a random substitute Su Qingwu found. Su Qingwu used her identity as a good-for-nothing as a cover to secretly poison her, plan and punish the prime minister's relatives, and investigate the tragedy of her master's family. Unexpectedly, Xiao Yu was gradually attracted by her intelligence during repeated confrontations with her, and became increasingly bored with her substitute Bai Yueguang. When the truth was revealed, Xiao Yu realized that he had already fallen in love with this poisonous and charming legitimate daughter. At this time, the mastermind behind the master massacre emerged, and it turned out to be the queen mother of the dynasty. Su Qingwu and Xiao Yu joined forces to use poisonous techniques and tactics to overturn the Queen Mother's conspiracy and seek revenge. In the end, Su Qingwu's poison skills became famous, Xiao Yu ascended the throne as emperor, made her his queen, and favored her alone.
