The eldest princess was retaliated by the Queen Mother and was humiliated and married off to the Duke An Mansion. Unexpectedly, after the prince-in-law Zheng was framed and lost his son, he begged her and uncle Wen Run to borrow a seed to keep the family title. It was originally a humiliating transaction in which each got what he wanted, but she fell in love with her brother-in-law who always protected her, and the three of them fell into a sadomasochistic relationship. The border is at war, and the life and death of the two brothers are uncertain. She is pregnant, but what awaits is an ending that will overturn everyone.