1879年，英国发生地外文明入侵事件之后维多利亚女王决定成立"火炬木小组"。加的夫海湾地底深处，不为人知的"火炬木研究院"悄悄运转着。这里储藏着大量外星物件，还有一些从"裂缝"中出现的外星人。这个裂缝虽然肉眼不能察觉，但却是现实空间维度的一个巨大裂口。一个世纪以来，"火炬木小组"一直是地球抵御外星人入侵的第一道防线，而"火炬木小组"的成员们则替人类固守着任何可能发生的威胁。斗转星移，新一代"火炬木小组"的成员又成长起来。除了每天探索未知的东西之外，他们仍然是普通人，仍然有普通人每天都要遇到的生活烦恼。
播出日期: 2009-07-06
运行时间: 58 min
概述: At 8.45am, every child in the world suddenly stops, chanting the words "we are coming" again and again. Whilst investigating, the remaining Torchwood team face greater personal and professional challenges than ever before, having to work with their numbers depleted.
播出日期: 2009-07-07
运行时间: 58 min
概述: Torchwood are forced underground, as the government takes swift and brutal action. With members of the team being hunted down, only Lois holds the key to Torchwood's salvation - but she is helpless as her superiors make plans for the mysterious Floor 13.
播出日期: 2009-07-08
运行时间: 58 min
概述: The eyes of the world turn to Britain, as the 456 announce, 'We are here'. As a pillar of fire descends upon London, the members of Torchwood must battle to protect their own families, as the fight gets personal. But will Clem's memories destroy everything?
播出日期: 2009-07-09
运行时间: 59 min
概述: Torchwood finally learns the truth about the events of 1965. But Britain is in danger of becoming a rogue state, and everything now pivots around John Frobisher, as the Ambassador of the 456 destroys its old allegiances and reveals its true intent.
播出日期: 2009-07-10
运行时间: 58 min
概述: Torchwood is defenceless, and Gwen Cooper stands alone, as the final sanction begins. As violence erupts and the world descends into anarchy, an ordinary council estate becomes a battleground where the future of the human race will be decided.
