In the Li family compound, where traditional clan values are deeply rooted, the eldest branch has long monopolized family resources by relying on its status as the eldest son and the old patriarch's favoritism. Meanwhile, the honest and hardworking second branch suffers endless exploitation and oppression. The arrival of Liu Hongying, the second branch's new daughter-in-law, is like a stone thrown into stagnant water. With her own strength, she is determined to shatter the family's outdated and unjust order.