Zhou Xing'er, a girl from the 1990s, unexpectedly possesses the special ability to understand the inner thoughts of little babies! Originally planning to grow vegetables and set up a stall at home, leading her whole family to steadily make money and live a good life, a high-paying job offer makes her step into the turbulent Fu family. The little young master cries and makes a fuss every night, suspicions are rife in the old mansion, and children encounter eerie and strange events one after another. Relying on her ability to understand the hearts of children, Zhou Xing'er carefully protects the children, peels back the cocoons, fights against heavy undercurrents, and step by step unearths the buried age-old secrets beneath the old mansion.