The film is adapted from the short story collection "hatred, Friendship, courtship, Love, Marriage". The heroine is a babysitter, who is hired by a lonely old man to take care of his granddaughter, but the strange little girl has a plan in her heart: she designs an online relationship between the babysitter and her father, who lives in a long distance. After several emails, the babysitter couldn't help falling in love with the strange man. At this time, she learned that the girl's father was a drug addict and was receiving drug treatment out of town. The old man of her employer had been blaming her son-in-law for killing her daughter and was heartbroken. Can the heroine resolve the knot between them? And where will her love with the girl's father go?