Ruby's first trip in the T.A.R.D.I.S. lands her and the Doctor on a Baby Farm space station in the far future, where the children have been left to fend for themselves – and a terrifying bogeyman roams the lower level.
A trip to see the Beatles in 1963 leads the Doctor and Ruby to an unexpected encounter with a powerful being from beyond our universe, who is threatening to destroy all of history by consuming music.
When the T.A.R.D.I.S. lands on a war-torn planet the Doctor steps on a high-tech landmine, threatening an entire colony that is fighting a conflict against an unseen enemy.
The Doctor disappears after stumbling into a faerie circle, leaving Ruby alone in a remote Welsh town ... with an eerie figure always standing at a distance, haunting her without saying a word.
The Doctor and Ruby hack into a young woman's personal bubble feed to try and warn her after the colony of Finetime comes under attack by horrifying creatures.
The Doctor and Rose visit a posh high-society party in 1813 England, only to discover a shape-shifting creature hiding among the attendees – and a bounty hunter on its tail.
The Doctor and Ruby turn to U.N.I.T. for help in solving a pair of mysteries, leading to a woman who may be connected to the Doctor's past – and unaware that a great evil is returning.
The Doctor and his friends come face-to-face with an ancient evil, which holds the power of death itself, and which is seeking the extinction of all life ... but who must first know the secret of Ruby Sunday's mother.