"I called it! I knew you were gay!" Windsor jumped up and down excitedly at his revelation; not moments ago Truman walked into their flat with none other than a man in tow. After years of busting Truman on his latent homosexuality, Windsor's persistence finally paid off.
"What? No! This is, um… This is some guy…" Truman stammered, trying desperately to come up with a legitimate excuse as to why this complete stranger was in their flat.
"I'm the Doctor!" exclaimed the Doctor, who quickly crossed the room and shook Winston's hand. "Truman's got some work problems. People-being-controlled-by-an-unknown-entity-type problems. It's probably aliens, my specialty. And you are?"
"Windsor Duke. Did you say aliens?" he asked, looking past the Doctor at Truman with a skeptical look.
"Oh yes, lovely, beautiful, deadly aliens!" replied the Doctor, his eyes growing wide with excitement. "Now, Duke of Windsor, Truman says you're quite handy with brain activity, being a neurosurgeon and all. Maybe you can help figure this all out." The Doctor reached into his pocket and pulled out an impossibly complex mechanical device that beeped every five seconds.
"What on Earth is that?" Truman yelled as he looked over the Doctor's shoulder.
"No, not Earth, Truman," the Doctor scolded. "Not a very good listener, are you? Now D of W, what can you tell me about these brainwaves?" Windsor studied the device before noticing the screen that displayed what he was looking for.
"Hmm, that's very odd. It seems like there's… Two different brainwaves appearing at once. One is definitely more subdued than the other one, almost as if it's being oppressed." The Doctor smiled.
"Yes, my thoughts exactly. Now, what can cause that? Can't be post hypnotic suggestion, doesn't explain the second brainwave. Can't be a parasite because it's appearing in more than one person and its oppressing instead of feeding off of it, definitely not a parasite's modus operundi." He frantically paced around the room, the tail end of his corduroy jacket whipping about.
"I'm sorry, are you saying that there's more than one person affected by this… ailment?" Windsor asked. The Doctor turned and addressed him.
"Don't be stupid, Duke," said the Doctor. "It's not an ailment."
"Sir, if I may?" Truman offered, his hand raised like a schoolboy trying to get the professor's attention. Both of them looked at him expectedly. "It looks like the brainwaves are identical." Sure enough both brainwaves reacted the same way, following the same erratic pathway as the opposite.
"Great observation, Truman!" The Doctor jumped up and grabbed the device from Windsor's hand and took out his glowing device Truman had finally gotten used to. "They are identical! However, it seems like the oppressing one is a millisecond behind the pushed down one. It's almost as if it's copying it, pretending to be the original, posing in order to fool the rest of the body into submission! Outstanding!" The Doctor ran out of the flat and into his ship, and Truman followed after him.
This time prepared for the anomalistic box, Truman shadowed the Doctor at the main console as he frantically typed away at a keyboard placed in front of the monitor.
"Alright, with the specifications given to us from the biometric scan and the astute outstanding observation made by dear Truman, we should be able to narrow down just what exactly we are dealing with. AHA!" With one triumphant stroke of a key, the Doctor beamed at the display on the screen.
Truman would have joined in if he could read the strange circle writing.
"What does it say?" Truman inquired.
"What we are dealing with," the Doctor explained, "is a simple case of the Ideos. They can latch on to a single idea that presides in every being's mind, and through that they can control the body gradually. The more bodies they control the easier it becomes and the less resistance they experience. We're seeing the process happening right now in this scan. The Ideos are pushing the original brainwaves down to the point of crushing it out of the body, effectively killing the original host. Funny though, Ideos have always been satisfied with non-sentient objects and beings. Their power is great enough that they can embody a toothpick and make a pretty decent living from it. Why switch to humans, and why now? It's quite a stain for them to control something this large and complex, I've noticed they've been focusing on controlling the bodies so much that they're unable to use contractions. Save them a lot of time if they switched over though…"
Truman was absolutely baffled about what the Doctor was babbling on about. Ideos? Brainwaves? Toothpicks? What did any of this have to do with him? He was just a lowly desk clerk, trying to make a meager living working at a job he hated for absolutely no real gain. He desperately wanted a girlfriend, someone to love, but it was beginning to look like that would never happen and he would just have to accept that.
But then all of a sudden his coworkers are being placed under the spell by Idiots or whatever they're called, and this man with this impossible police box and his strange glow stick and his frustrating choice of clothing (although he did have to admit he kind of pulled it off) comes and tells him that aliens exist and a small space can actually become a huge space and that his entire life is most likely a lie.
Truman was pissed, and he relayed that to the Doctor.
To paraphrase, Truman basically told the Doctor everything mentioned in the above paragraphs with a few choice words added in for effect. Throughout it all, the Doctor smiled, obviously used to this kind of reaction.
"What in the bloody hell are you smiling about?" Truman shouted. "The entire world is in danger!"
"I know," admitted the Doctor. "Isn't it outstanding?"
"Um, guys?" Windsor's voice sounded from outside the TARDIS. The Doctor and Truman rushed back into the flat, where Windsor was staring intently at the television and looking worried.
"Oh, don't stare too close, Duke of Windsor. Sometimes the telly will suck your face clean off," the Doctor warned, sounding completely serious for someone who just told a joke. However, Truman soon found out what exactly what Windsor was sweating about.
The television screen displayed the familiar skyline of Canary Wharf that Truman had learned to love and hate. It didn't take long for Truman to find out what exactly his workplace was on the news for.
In actuality, his workplace wasn't really on the news.
This was because One Canada Square was missing. Truman turned to the Doctor, hoping he would be able to offer some explanation, but he noticed that the Doctor has an even more horrified look on his face. This was because the Doctor knew something about One Canada Square that most people in existence didn't know.
One Canada Square was the former home of the Torchwood Institute.
Torchwood Tower had disappeared.