WPC Gwen Cooper is at the scene of a brutal murder, when the "special ops," known only as Torchwood, arrive. After witnessing the group bring the dead man back to life, Gwen goes in pursuit of this mysterious organisation, only to see weirder things than she could ever imagine existed. Soon after, she begins to regret giving in to her curiosity, when she meets Captain Jack Harkness.

It's Gwen's first day on the job, and it's not going very well. After accidentally releasing a mysterious gas from a comet that landed, a new type of alien is let loose on the streets - an alien that's addicted to sex. Torchwood must find the inhabited body, and prevent anymore deaths from the violent form of sex.

A Toshiko themed episode

Tosh meets an unusual woman, Mary, at a bar, who gives her a strange pendant. She is upset, yet amazed by what she now has - the ability to read people's minds. However, Tosh finds this terrible curse, that contains her friends darkest secrets, must be broken. So she asks for help from Mary, the only person who knows, but first, Tosh has to get her into Torchwood.

An Owen themed episode

Weevils are appearing all over the streets of Cardiff, and then disappearing again - but not by alien forces. People are abducting them, and using the Weevils for their own purposes, so Owen investigates.

With the Rift having been opened, people and objects throughout time are falling through it, and being spread across the world. "The thing in the darkness" has finally come, and Jack realises that he is the only one who can save planet Earth from the destruction that "the son of the Beast" will cause.

Captain Jack returns, as the Torchwood team reunite to fight a rogue Time Agent. The mysterious Captain John Hart is determined to wreak havoc, and needs to find something hidden on Earth. But with Gwen's life in danger, and cluster bombs scattered across the city, whose side is Jack on?

When a burglary turns into a slaughter, Torchwood suspect alien involvement. Who is Beth, and can she be as innocent as she seems? But when the investigation escalates into a city-wide assault, Jack realises that the whole planet is in danger.

A memory thief gets in to the minds of the Torchwood team, and uncovers long forgotten secrets.

Jack calls in an old friend for a favour, none other than Martha Jones, as they attempt to stop a pharmaceutical facility that uses aliens in the hope of discovering a cure for all diseases.

Captain Jack resurrects Owen with a resurrection glove, only to find out that the new glove isn't quite what they'd bargained for. Owen, in an undead state, helps the team figure out why he's still around.

A victim of his newfound circumstances, Owen Harper believes he needs absolution. Will the lonely girl on the rooftop help him, or will it be a mission to the retrieve an alien device that is proving more lethal by the second? And how far will Toshiko go to help him?

As the team are knocked unconscious we find out how Jack, Toshiko, Ianto and Owen were initiated into Torchwood.

Captain John Hart returns to wreak havoc upon Jack's world, who ends up getting captured. It is up to the Torchwood team to rescue him and save the city.