Desc: Yam yeung lo 15: Hak si wan loi: Directed by Jamie Luk. With Eric Tsang, Edmond Leung, Helena Law, Ka-Fai Tong. Ngau, a cook in the Hong Kong countryside, is trying to save his son from a vengeful evil spirit who was wronged years ago by Ngau's past life. In the process, Ngau seeks the help of Mrs. Bud Lung, who can communicate with the other side.