Su Nianwan is the long-lost daughter of the Shen family. After unexpectedly losing her sight, she is taken in by Zhou Guifen and betrothed to her son, Zhao Qiming. When Zhao, burdened with debt, tries to use her to settle what he owes, Nianwan unexpectedly spends a night with Lu Yanci, a prominent figure in Beijing's elite circles, and becomes pregnant. After giving birth, her eyesight returns. She leaves, placing her child at the Lu family's doorstep with a safety-lock pendant as a keepsake. Lu Yanci initially suspects a trap, but after seeing the child, he searches everywhere for her. Worried about her baby, Su Nianwan applies for a job as the child's feeding and care specialist at the Lu residence. After many twists and turns, the two finally recognize each other. Shen Zhirou repeatedly tries to obstruct them, but Lu Yanci comes to Nianwan's rescue every time. Eventually, the Shen family finds their long-lost daughter, the couple reunites, and Shen Zhirou pays the price for her actions.