"Oh, my God!" Martha exclaimed, pulling a bubbling container out of Jack's backpack.

Nina had to look twice to finally realize why she was so surprised. "You've got a hand! A hand in a jar! A hand in a jar in your bag." The rest of them walked  to her. The Doctor suddenly gasped and pointed at it.

"That's my hand!" He realized out loud. Jack shrugged. Nina couldn't help but smile. That's how he managed to track him down, she realised.

"I did say I had a Doctor detector," he reasoned.

"Chan, is that a tradition amongst your people, tho?" The blue woman asked them with a frown on her face. She obviously didn't see why a guy would have another's hand in his backpack.

"Not on my street. What d'you mean that's your hand?" Martha asked him. She clearely clearly didn't see how that worked either. "You've got both your hands, I can see them."

"Long story," the Doctor dismissed it. For some reason, Nina felt like he didn't want to talk about it, like it brought some bad memories he didn't want resourfaced. "I lost my hand in a sword fight Christmas Day," he added.

"What, and you grew another hand?" Martha asked. The idea was simply impossible in her head.

"Um, yeah. Yeah, I did," he told her. When he looked up and noticed Martha's dismayed face, he waved his right hand in her face. "Hello."

"Might I ask what species are you?" The Professor asked him. The Doctor slightly hesitated, giving Nina a look before he answered him.

"Time Lords," the Doctor told him. "Me and her, last of," he said. Jack gave Nina a look, like he finally realised why the Doctor was so overprotective of her. On the other hand, there was absolutely no reaction from either the professor nor the blue woman. "Heard of them? Legend of anything? Not even a myth?"

"That's a bit sad, isn't it?" Nina mumbled.

"It is. Isn't the end of the universe so humbling," he whined, agreeing with her.

"Chan, it is said that I am the last of my species too, tho," Ms. Blue spoke. Nina looked at her with sympathy in her eyes.

"Sorry, what was your name?" The Doctor finally asked her.

"My assistant and good friend, Chantho," the professor told him. "A survivor of the Malmooth. This was their planet, Malcassairo, before we took refuge." Nina frowned. She had never heard of the Malmooth, nor of Malcassairo. This must be a relatively young planet.

"The city outside, that was yours?" Nina asked her softly. Chantho nodded.

"Chan, the conglomeration died, tho," she told her. Nina couldn't help but wonder if she really needed to start every sentence with 'chan' and end every single one of them with 'tho'. Maybe it was a cultural thing, but why would she keep doing it after the death of her people? It must be exhausting, always having to remind herself to do it.

"Conglomeration!" The Doctor exclaimed a bit too eagerly for the mood of the conversation. "That's what you said!" He pointed at Nina. Instead of agreeing, she put her hand on his arm and pushed it down.

"You're supposed to say sorry," she suggested. The Doctor immediatly caught up and widened his eyes as he understood.

"Oh, yes," he said. "Sorry." It wasn't very convincing, but Nina supposed it was better than nothing.

"Chan, most grateful, tho," Chantho told them, but mostly Nina, feeling like she had really meant her acknowledgment. Nina nodded gravely.

"You grew... another hand," they heard Martha finally speak up after a moment. She was clearly still confused about all of it. The Doctor raised his hand and waved his fingers once more.

"Hello again," he sing-songed. Martha shook her hand, dismissing the possibility of ever believing him. The Doctor let out a laugh that sounded more like a scoff than anything else. He stood up and extanded his hand to her. "It's fine. Look, really, it's me." Martha hesitantly grabbed it and he shook her hands, making her chuckle.

"All this time, and you're still full of surprises," she commented. The Doctor gave her one of his signatures grins as he clicked his tongue and winked.

"Chan, you are most most unusual, tho," Chantho concluded with a smile.

"Well," the Doctor grinned at her comment.

"What about those things outside," Jack asked. "Beastie boys, what are they?"

"We call them the future kind," the Professor explained. "Which is a myth in itself, but it's feared that they are what we will become," he clarified. "Unless we reach Utopia."

"And Utopia is..." the Doctor wondered, narrowing his eyes at the man.

"Every human knows of Utopia," the professor frowned at them. "Where have you been?"

"But of a hermit," he defended himself.

"A hermit with friends?" The professor asked.

"Hermits United," Nina spoke in his place before he could say anything stupid. "We meet up every 10 year, swap stories about caves. It's good fun, for a hermit." Nina could see Jack trying really hard not to laugh at her excuse. "So, Utopia?" She asked, wanting to go back to their previous subject as soon as possible. The Professor raised a hand and motioned for them to follow him.

They walked to a monitor, where Yana showed them an emergency call.

"The call came from across the stars," he explained. The Doctor leaned in and rested his head on his hands, his elbows on the table in fromt of them. "Over and over again. 'Come to Utopia.' Originating from that point," he pointed at a red dot on the screen.

"Where is that?" The Doctor asked.

"Is it after the Deviant Forest?" Nina wondered. That system was very far away, she wonfered how far a call could reach.

"Oh, its futher away than that," Yana told her, confirming her suspicion. "It's far beyond the Condensate Wilderness. Out towards the Wildlands and the Dark Matter Reefs. Calling us in, the last of the humans scattered across the night."

"What do you think is out there?" The Doctor asked him. Nina had an answer: absolutely nothing. The Universe was dying, and this call was so far away it was probably sent over hundreds of years ago. But what was the human race without hope?

"We can't know," the professor told him. "A colony, a city, some sort of haven?" He wondered out loud. "The Science Foundation created the Utopia Project thousands of years ago to preserve mankind, to find a way of surviving," he told them. "Beyong the collapse of reality itself. Now perhaps they found it. Perhaps not. But it's worth a look, don't you think?"

Nina was about to comment on how wonderful it was, how the signal was clearely not automatic, seeing how it kept modulating. That was definetly a good sign. Except she couldn't, because she suddenly heard a beating. It wasn't anything too loud, but it definetly muffled the Doctor's voice as he kept on talking to the Professor. Nina furrowed her brows, feeling like she should look around, find the source of the drums, but she already knew it was inside her head.

"Nina!" The Doctor's voice brought her out of her thoughts, silencing the pounding in her head. She looked up to see the Doctor standing over her, looking at her anxiously. "Are you alright?" He asked her. Nina slowly nodded, looking around curiously, noticing Yana now standing over the controls, Chantho next to him. Martha and Jack were standing worringly around her аnd the Doctor, also wondering what was wrong, but there really wasn't anything that could cause such a noise in the room. Maybe it was something ultrasonic, something that, for some reason, was beyond human hearing. But if it had been so, the Doctor would have heard it too.

"Did you..." she trailed off, still looking around one last time to see if she wasn't just going crazy. If he hadn't heard anything, he sure as hell was going to be extremely worried about her. Seeing things is one thing, she was used to that, but hearing things? "Did you hear that?" She asked hesitantly. He frowned. Oh great, now I look absolutely mad.

"Hear what?" He asked her. Nina felt faint, like she was about to pass out, and the Doctor obviously noticed, seeing he grabbed her upper arms with both of his hands. "Nina, what is going on?" He asked. Jack moved closer, ready to catch her if she were to fall. "Did you see something?" Nina shook her head.

"No I... I heard something," she told him. Nina had never seen the Doctor more confused. She sighed. "Forget it," she dismissed it, taking a step back, even if she felt like she still needed his help to stabilize herself up. "I'm probably just going crazy. Nothing knew, eh?" She gave him her best smile, but he obviously didn't buy it. He didn't have much time to question her futher before Professor Yana stumbled and almost fell down.

"Are you alright?" The Doctor asked. She was glad his attention was turned away from her.

"Yes, yes. And busy," the man said. Nina frowned. He was so warm to visitors a few moments ago, and now he seemed to want them to leave.

"Except that rocket's not going to fly, is it?" The Doctor asked him. "This Footprint mechanism..
thing... it's not working."

"We'll find a way!" Yana defended it.

"You're stuck on this planet," the Doctor stated. "And you haven't told them, have you?" He asked him. Yana looked down at his feet, and his body lamguage was enough to confirm what they suspected. "That lot out there, they still think they're gonna fly."

"Well, it's better to let them live in hope," Yana said, sitting down with a grunt. Nina granted him a sad smile.

"Quite right too," the Doctor said, standing up straight. He flashed Nina a smile and went on to take off his trenchcoat, handing it to Jack, who caught it before it hit the ground as he passed by. "And I must say, professor... what was it?" He asked, walking to the man.

"Yana," he answered.

"Professor Yana. This new science is well beyond me, but all the same, a boost reversal circuit, in any time frame, must be a circuit which reverses the boost," he spoke, walking around and taking his screwdrived. Nina rolled her eyes when she realized how simple the solution to theye problem was. "So, I wonder, what would happen if I did this?"

He used the sonic on the circuit, before turning it on again, giving them the power.