In the imaginary dynasty, the inner courtyard of Yongninghou Mansion is full of chaos and chaos. He is the most inconspicuous bastard in the Hou family. His mother died young and he was helpless. Since childhood, he endured the pressure of his aunt and the bullying of his brother to survive. He has developed the ability to hide his weakness and avoid disaster, but he also secretly accumulated the power to make a comeback. The door of the house is deep and the people are unpredictable. He thought he could only survive in the cracks in his life, but unexpectedly met that cold and tough woman. She is an orphan sent by her family for marriage. She looks weak, but is actually smart and perceptive, and can see through the hypocrisy and coldness of the Hou family. The two were in similar situations and sympathized with each other. From the initial mutual testing to the later mutual trust, they stood side by side in house fights and conspiracies. Their aunt's mother's poisonous plan, her concubine's frame-up, the clan's difficulties, and the court's involvement all failed to break them up. He shielded her from wind and rain, losing his forbearance and revealing his sharp edge; she gave him advice and brightened up his gloomy life. In this deep house full of calculations, there is no intrigue and exploitation, only pure love running in both directions. Using sincerity as a shield and affection as a blade, they tear apart the fig leaf of the Hou Mansion step by step, revealing the truth of the past. Finally, they break free from the shackles and join hands to move towards the stable years that belong to them.