After Gwen Cooper witnesses the resurrection of a murder victim, she meets the mysterious Capt Jack Harkness and his team.

Gwen begins working for Torchwood, and her first day on the job proves to be a trying one, as the team must track down a sex-crazed alien that has taken human form and is wreaking havoc on Cardiff.

Gwen ends up with an alien object, which shows visions of the past to the Torchwood team. As they try to find the owner of the object, the team learn of a murder that happened 40 years earlier, and a murderer is still at large.

Ianto Jones is hiding a terrible secret beneath the Torchwood building, but when the situation gets out of control, Ianto is forced to come clean to the Torchwood team who must then fight for their lives.

Jack runs into an old friend who is looking into sightings of fairies in the local woods, and uncovers a connection between the sightings and the seemingly normal Pierce family, especially their young daughter Jasmine.

The Torchwood team investigate a number of gruesome deaths in the Brecon Beacons, only to confront a terrifying enemy.