Intern maternity nurse Jiang Wan awakens a special ability to understand baby talk. While filling in at a handsome warlord’s mansion in the Republican era, she saves the Shen family’s eldest grandson from a fatal illness and exposes the second branch’s plot at the full-moon banquet. Later, she becomes a mind-reading healer for wealthy households, solving bizarre infant illnesses and deep-house conspiracies. Rising from a humble worker to a top nanny sought after by elites, she gains true love with Gu Xiuyuan.