Wen Zhixia, a doctoral graduate from a medical university, travels back in time to ancient China. After an unexpected encounter with Prince Heng, Yan Tingzhou, she uses her medical skills to treat displaced refugees and establish a mountain stronghold, raising five children on her own. Six years later, her youngest daughter unexpectedly brings home her injured biological father. With their past grievances still unresolved, Wen Zhixia decides to recruit him as the husband of her stronghold! From playful arguments in the mountain hideout to confrontations at the prince's residence, their five children take turns playing matchmaker, and the two gradually open their hearts to each other despite their misunderstandings. Facing one challenge after another from powerful nobles and conspiracies within the imperial court, this bickering couple joins forces to protect their family's reunion.