The Tag-Along 2

Social worker Li Shu-fen (starring Rainie Yang) is often overwhelmed by her heavy workload and neglects her daughter Li Ya-ting as a result. When she discovers that Ya-ting is gone missing, she realizes there is a past demon hidden at the bottom of her heart.
Shu-fen tries everything to find Ya-ting, and encounters many horrifying mysteries. One mother, Lin Mei-hua (starring Francesca Kao) keeps her own daughter in a weird place that all the walls and doors are covered in paper written with spells over a year. While another pregnant woman, Shen Yi-chun, (starring Hsu Wei Ning), who was reported missing several months ago, was found on the hill.
In order to rescue Ya-ting, they need to return to the mountain where the little girl in red kept Ya-ting. And Shu-fen finally realizes the deepest fear comes out of love