After her mother passes away, little Niannian is left without anyone to care for her and falls into desperate circumstances. On a freezing winter night, armed with nothing but her mother's diary, she bravely calls an unfamiliar number and successfully finds her father, He Jingchuan, whom she has never met. Misunderstandings buried for years gradually unravel, revealing the hidden reasons behind their past separation. The broken father and daughter heal each other and find warmth in one another's company. With her gentle love, the adorable little girl soothes the barrenness of years gone by, and together they embark on a warm new beginning.