The Doctor discovers that the disturbance is linked to the top floor of a house, but he can't investigate it directly without being noticed. He decides to rent a room on the ground floor from , a shy office worker who is secretly in love with his best friend, Sophie.
: The Doctor shows off his eccentric cooking skills. [S5E11] The Lodger
: Sophie realizes she loves him too, and their combined emotional "staying power" overloads the ship’s systems. The Doctor discovers that the disturbance is linked
: He joins Craig’s local football team and unexpectedly becomes the star player. : Sophie realizes she loves him too, and
The Doctor notices that people are being lured to the upstairs flat by a voice pleading for help. Once they enter, they never come back down.
The adventure begins when a mysterious force prevents the TARDIS from landing. Amy Pond is trapped inside the ship, which is stuck in a materialization loop, while the Doctor is left behind on Earth in Colchester. To save Amy and the TARDIS, the Doctor must track down a localized temporal disturbance coming from a flat on . Life at 79 Aickman Road
With the ship gone, the TARDIS is finally able to land. Craig and Sophie are finally a couple, and the Doctor departs, leaving them with a brand new set of keys—and a lot of stories to tell about their strange "lodger".