Torchwood "sting", from the original theme is still audible in numerous scenes). Although each episode of "Miracle Day" has a published individual title, "Torchwood: Miracle Day" is the only on-screen title used. The series is set in Cardiff, Wales and follows a rogue covert agency called Torchwood which investigates extraterrestrial incidents on Earth and scavenges alien technology for its own use. This Torchwood, led by Captain Jack Harkness, is a small, independent organisation, but began as the Cardiff branch of the larger Torchwood Institute, then-defunct, which began in the Victorian era. (Its origins were outlined in the "Doctor Who" episode "Tooth
The New World (Torchwood) of Torchwood. Jack saves her from an assassin, who later blows up a portion of the CIA archives in an attempted suicide bombing to prevent himself being interrogated by Jack. Jack gives Esther an amnesia pill while explaining the nature of Torchwood to her, and she subsequently forgets about her encounter with Jack, though her memories of Torchwood itself are triggered by a file brought to her by CIA agent Noah Vickers. The assassin, who "survived" his attempted suicide, is brought to the same hospital where Rex is recovering. Rex hacks into the security cameras in order to observe the