Sergeant Voight tries to find out who is behind the murder of Jin, and come up with the unbelievable discovery and learned that Sergeant Edwin Stillwell playing a double game with the intention of getting out on the surface of the big fish along with Voight. In the meantime, all members of the intelligence departments receive death threats from an unknown group called "Shadow". At several places in Chicago in a fire, explosion, and robbery, for which "Shadow" take responsibility, bringing the city into chaos.
瑞安·巴雷托,斯戴芬·莫昌特,克里斯托弗·沃肯,达伦·博伊德,埃莉诺·汤姆林森,甘巴·科尔,查尔斯·巴巴洛拉,杰西卡·古宁,克拉斯·邦,多莉·韦尔斯,理查德·E·格兰特,克莱尔·珀金斯,艾亚娜·古德费洛,罗莎·罗布森,伊恩·麦克尔希尼,妮娜·瓦迪娅,汤姆·汉森,柯乔·卡马拉,利亚姆·加里根,格雷斯·卡尔德,山姆·特劳顿,迈克尔·科克伦,阿曼达·德鲁,杰拉德·霍兰,亚历山大·莱利,Joanna van Kampen,露易丝·奇米巴,凯蒂·卡迈克尔,布菲·戴维斯,拉亚·坎普贝尔,路易斯·埃默里克,亚历山大·科
