Xie Zhao carries a secret that has been buried for twenty years - before people, she is the noble son of the Hou family and the young prince in charge of Tianqi's strongest army; behind people, she is the most proud female disciple of the Poison Doctor lineage.
An Lan, the proton sent by the Northern Qi Dynasty to Tianqi, appears to be accomplishing nothing and is harmless to humans and animals, but in fact he secretly holds power and is deeply scheming.
Xie Yan was originally a concubine whom no one cared about in the Hou family, but his fate was changed after he accidentally discovered a shocking secret.
After her parents died, Gu Qingci came to Beijing to visit her relatives with her mother's belongings, and accidentally stepped into the deep courtyard of the Hou Mansion.
Apocalypse Kingdom seems peaceful, but there are turbulent undercurrents inside. The princes and princesses are fighting overtly and covertly, and people from all sides choose their masters overtly or covertly, and the situation is on the verge of breaking out.
Xie Zhao, who holds the most powerful military power, has become the target that everyone is eager to win over, but she just wants to be alone and stay away from disputes.
When the young Marquis, who was "white and black", bumped into Wang An, who was "pretending to be a pig and eating the tiger"; the two people who used to be tit-for-tat gradually developed a tacit understanding and secret love after seeing through each other's masks.
Xie Yan, who had always been ignored, secretly vowed to be the most loyal servant of his father because of her reappearance.
Gu Qingci, who is timid by nature and stutters when talking to others, decided to develop a sharp tongue because she was treated as an equal for the first time and repay this favor with a "venomous tongue" in the future.
The situation in the court hall was changing, and there was a lot of excitement in the Hou Mansion.
In this world where interests are paramount and people's hearts are cold, can love, family and friendship be redefined?
Can these young people, who are still passionate, find their way back in the whirlpool and use their own power to break the shackles of fate? Can they break through the cage of fate and reach their respective bright shores?