Desc: Hei xue: Directed by Ni Li, Wenhua Li. With Junyi Shen, Hong Zhang, Ying Wang, Hua Bai. Set in 1930s city Tian Jin China, a fish farm owner was killed by four hit men, witnessed by the victim's three minor children on scene, 15 years later, one of the three children joined police, another one partook criminal gangs.