Wei’s grandma suddenly disappears for no reason, but strangely the routines still move on as if she never vanished-the laundry is still done, their house is well-arranged as usual, and even breakfast remains prepared for Wei every morning. Distraught with worry, Wei is totally clueless until he finds an uncanny video in his grandma’s camera, showing that there was a little girl in red tagging along her. Oddly enough, after Wei’s grandma finally returns, it turns out that Wei is missing instead. Struggling to unravel the enigma, Wei’s girlfriend Yi-chun gradually discovers that the mysteries behind Wei and his grandma’s sudden disappearance may be connected to the urban legend of “The Little Girl in Red,” but what’s even worse is yet to come… <