Watch Sadisflix. Arts and drama students, Xiao-Wu, Mu Fan, Liu Si-Si and Lin Fei-Er rented a house with a courtyard in the suburds. It’s an old building with an ancient feel in it. It’s an eerie place. The locals avoided this place. During a quiet night, the electricity stopped. The four young men and women decided to play a game of Bunshidaba or Bi Xian.