The Tag-Along

Hong yi xiao nu hai is a movie starring Wei-Ning Hsu, River Huang, and Yin-Shang Liu. A story about a video of a group of people going hiking and a mysterious little girl in a red dress following them.
Wei is nowhere to be found one day before his grandma returns from her own strange missing incident. Wei's girlfriend desperately searches for his whereabouts and discovers that a little girl in red followed them before their disappearance. Based on true events and long-circulating urban legend in Taiwan.