Working as an estate agent, Wei lives with his grandma. One day, his grandma is missing, and on the footage obtained from the surveillance camera, they spot a shadowy figure, which looks like a little girl in red following his grandma. While searching for his granny, Wei himself disappears. His girlfriend is determined to bring him back.
Cheng Wei-hao made his name with the short, The Death of a Security Guard, which won Best Short Film at the Taipei Film Awards and the Golden Horse Awards in 2015. His first feature, The Tag- Along, was a huge box-office success.