Desc: Kẻ Máu Lạnh: Directed by Dae-wung Lim. With Tong Bingyu, Han Chae-young, Le Geng, Chen Hailiang. A mysterious taxi driver takes Zheng Kai home, but he leaves his phone number for the driver because he didn't have money for the fare. However, the driver begin to harass him through this number, and the nightmare begins.