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.
马修·瑞斯,朱丽叶·赖伦斯,克里斯·乔克,西恩·奥斯汀,Michael Wayne Brown,马特·布什,乔恩·查芬,Blaire Chandler,Sean Convery,罗伯特·库蒂斯·布朗,霍普·戴维斯,汤米·杜威,Mandy Dickson,Joseph W. Evans,维罗尼卡·法尔孔,Leslie Koch Foumberg,法布里齐奥·扎卡里·奇诺,韩吉洋,埃里克·兰格,华莱士·朗翰,安东尼·莫利纳利,马克·奥布莱恩,保罗·拉西,奥纳霍阿·罗德里格斯,詹·塔洛克,凯瑟琳·沃特斯顿,谢伊
维罗妮卡·桑切兹,米格尔·安赫尔·西尔维斯特,阿谢尔·埃特塞安迪亚,拉里·埃斯波西托,恩里克.阿伍奇尔,塞西莉亚·戈麦斯,戈德莉芙·范·登·布兰特,查尼·马丁,路易斯·扎赫拉,Alicia Sánchez,Juan Alberto de Burgos,大卫·莫拉,Niko Verona,Carmen Santamaría,Paco Inestrosa,Luisa Vides Galiano,Penélope Guerrero,Antonio Fdez,Yany Prado
艾莉丝·布拉加,维罗尼卡·法尔孔,彼得·加迪尔特,赫米基·马德拉,赫拉多·塔拉塞纳,尼克·萨加,乔昆姆·德·阿尔梅达,杨希·亚瑞斯,吉米·冈萨雷斯,约翰·派珀-弗格森,马克·康苏斯,乔恩-迈克尔·埃克尔,瑞恩·欧南,Nikki Dixon,Juan Felipe Barrientos,Pete O. Partida,Rafael Amaya
