Lawyer Li Jie is competing with her ex-husband for the custody of their daughter. She works hard to give her children a better life. Fortunately, her babysitter Sun Fang helps to take care of the daughter as if she was are her own. Until one day, Li Jie comes home to find Sun Fang and her daughter disappeared without warning, and her innermost fear became a reality. Adter being condemned by her family and suspected by the police, Li Jie, summons amazing courage to embark on a journey and start her own search.