During the Republic era, Su City heiress Shen Mingzhu reported a traitor and headed north. On the train, she was mistaken for his late mother by An'an, the young marshal's son. She signed a half-year contract marriage with Huo Zhenbei to enter the marshal's mansion. Through suspicion and rumors, she relied on her talent to protect the mansion and An'an, touched Huo Zhenbei, tore up the contract to marry, and walked forward together hand in hand, only to suddenly encounter a crisis where her father-in-law's caravan was attacked.