位于极地的北极生物系统研究基地爆发神秘病毒，造成三人感染、两人死亡的惨剧。为了查明病毒的成因，防止其他一百多名来自各国的科学家遇险，美国疾病防疫控制中心在军方的要求下，派出了艾伦·法拉格特、茱莉亚·沃克、莎拉·乔丹与多琳·博伊尔等四名精英飞往北极。三人中的幸存者彼得是艾伦的哥哥，当年因一桩荒唐事导致弟弟和妻子茱莉亚离婚。一行人虽然受到畑博士的热情接待，但基地内似乎隐藏着不可告人的秘密。 而随着极度虚弱的彼得突然消失，艾伦他们的调查开始朝着不可预测的方向发展……
播出日期: 2014-01-10
运行时间: 45 min
概述: A Center for Disease Control medical team's investigation of a disease outbreak at a high tech arctic research lab uncovers the truth about a secretive research project that could threaten the future of humankind.
播出日期: 2014-01-10
运行时间: 45 min
概述: As Dr. Alan Farragut accelerates the hunt for his infected brother Peter, the quarantine of three scientists threatens to create panic at the lab. Doreen finds evidence that Dr. Hatake is lying about his research.
播出日期: 2014-01-17
运行时间: 45 min
概述: As Alan sets up an isolation unit to quarantine the infected lab workers, Walker and Jordan each face the possibility that they have the deadly virus, too.
播出日期: 2014-01-24
运行时间: 45 min
概述: As Alan risks killing Peter in a desperate effort to cure him, Walker teams with a mysterious young researcher to survive their quarantine. Jordan discovers her Rapid Response test is flawed.
播出日期: 2014-01-31
运行时间: 45 min
概述: As Alan's controversial cure leaves Peter clinging to life, the unchecked virus forces Jordan to make a devastating decision. Walker discovers the surprising truth about her new ally, while Daniel squares off against Balleseros.
播出日期: 2014-02-07
运行时间: 45 min
概述: After Daniel leaves Balleseros to die, the mystery surrounding his connection to Hatake is revealed. As he works to save Peter, Alan struggles with his feelings for both Walker and Jordan.
播出日期: 2014-02-14
运行时间: 45 min
概述: As Ilaria CEO Constance Sutton arrives to collect the virus and its cure, Alan finds Walker seemingly symptom-free. Daniel learns the truth about his "adoption" by Hatake.
播出日期: 2014-02-21
运行时间: 45 min
概述: Alan risks his life to save his brother Peter from Ilaria CEO Constance Sutton, only to see him re-captured by Vectors. Julia Walker deals with the mystery of her "cure" while her half- brother Daniel confronts their father, Dr. Hatake, about being abducted as a child.
播出日期: 2014-02-28
运行时间: 45 min
概述: The CDC teams learns the real purpose of the infection and Alan and Julie make a perilous journey to retrieve the canister that has the original source virus.
播出日期: 2014-03-07
运行时间: 45 min
概述: In a last ditch effort to find help and a cure, Alan and Julia go to an abandoned satellite station discover a shocking secret that reveals Hatake's ultimate goal and the reason why he has developed the deadly virus.
播出日期: 2014-03-14
运行时间: 45 min
概述: The Vectors start working together to hunt down the uninfected as the CDC develops a risky cure and a band of assassins from Ilaria secretly infiltrate the base.
播出日期: 2014-03-21
运行时间: 45 min
概述: The uninfected are hiding in a secret bunker on the base as the CDC attempt to retrieve the canisters with the virus and the cure while the Ilaria assassins capture Hatake and force him to chose between which one of his children they will kill first.
播出日期: 2014-03-28
运行时间: 45 min
概述: Alan and Peter capture the assassin Scythe and demand to know the whereabouts of Julia's mother. Balleseros confronts Hatake about the missing Inuit children, while Anana and her brother learn of Daniel's fate. Concerns that the virus is in Ilaria's possession again forces Alan and the team off the base to search the world in order to retrieve it.
