"I thought you wouldn't show again, after getting your bot torn up last time," Yokai growled from behind his new mask.
Hiro shrugged. "I'm a kid genius. It's not like I couldn't rebuild it. And FYI? It rebuilt itself. By the way, see any microbots lying around lately? I lost a bunch before the fire."
They were in yet another alley, only this time, Hiro was accompanied by Happy. She'd been given the same bot Toby had used the botfight before, but Toby couldn't risk coming to another one for fear of being recognized.
"I wouldn't know what you're talking about, kid," Yokai said, punching buttons leisurely on his bot controller.
Hiro was baiting him, and when Yokai thought he had won the tournament, his bot rebuilt and turned, slashing viciously at his fighter bot. To Hiro's satisfaction, he watched as at least a hundred tiny microbots patchwork-rebuilt the bot.
"Umm..pretty sure you do know. Nice to know my design was good enough to steal! By the way, you didn't program them the right way. They needed modification, but not the changes you made-" Hiro paused when Yokai's flashing blue eyes met his, and he gulped. "Heh..anyway. Let's finish this off, shall we?"
"All's fair in love and war, even stealing," Yokai taunted. "You didn't copyright them anyway."
"And I could still report you for it because I have the blueprints," Hiro tossed back. With a vicious slice, he removed Yokai's robot's head from its body and watched as his own microbots bounced and died, the entire thing falling apart. "You really need to work on that, dude."

"FBI! Don't move!"
The raspy yell rang out from none other than Cabe Gallo. He was followed by Walter, who had Hiro's microbot blueprint on hand.
The crowd scattered, except for Happy.
Only...that included Yokai as well. He took off running as fast as an older professor possibly could, and Cabe growled under his breath, throwing his hands up in disgust.
"Why do you-I said don't move, moron!" he yelled, he and Walter taking off after him. Hiro followed in pursuit, but Happy soon caught up and made him slow down.
"You don't need to get in the middle of this, kid - Gallo can catch him on his own. Your big brain doesn't need to get splattered across the pavement," she said bluntly.

Sure enough, Gallo caught him and practically dragged the handcuffed, angered geriatric back to the van, throwing him unceremoniously in the back. "I told you not to run."

Back at the Scorpion headquarters, the interrogation commenced. Yokai was less than willing, but with the help of Toby, they were able to crack him.
"Why did you take Hiro Hamada's microbot designs?" Walter asked.
He folded his arms over his chest and sat back in his chair. "Because I needed them."
"You have a job and a fourteen year old orphan used those to make a living," Gallo pointed out.
"I was about to lose my job."
"Right. And you weren't too happy with that, right?"
"Would you be? Those microbots might've given me half of a chance to keep my job."
"Did you light the fire in the expo hall?" Walter asked.
"Does it matter? I got caught anyway."
"Yes, it matters, Callaghan. I'm assuming you are guilty of starting the fire, seeing as you said you got caught."
"Caught taking the microbots. I didn't say I started the fire."
Toby cleared his throat. "You said 'I got caught anyway', implying that even with your best attempts, you got caught. I'm assuming you got caught by Tadashi Hamada, right?"
Callaghan snorted. "Yeah. Stupid kid needed to be less helpful. But it wasn't just Hiro's microbots I was after."
"What else were you after, then?" Walter asked.
"Baymax."
"What's that?" Gallo asked.
"Ask Hiro," Callaghan shrugged. "His brother invented it."
"Did you get away with it, too?"Walt asked.
"No. The beam fell across the pathway en route to Tadashi's lab and blocked my way. It's still in there, if it made it untouched."
Walter nodded, glancing at Gallo.
"I'll send Toby and Happy for it. And Hiro, I suppose," Gallo added, striding out of the room.

"So why take Hiro's designs?" Walter asked. "Hiro and Tadashi's, rather."
"Kid's a genius, and his brother wasn't far off, either. Their inventions would've kept me at the college for a good while, if I passed 'em off as my own."
"All the kids at your college is smart. The lowest IQ there is 129. Any one of those kids could've provided inventions that would be lucrative."
"That's true," Callaghan admitted.
"So why the Hamada brothers?"
"When their parents died in a car crash, my first wife died as well, leaving just my daughter. I remarried, but it was never the same, and now both of them are gone. I wanted to make sure their lives were miserable for what they did."
"Your logic is so far off," Walter shook his head and licked his lips, amused. "Their lives were miserable from the time they were orphaned, both of them. They had to work hard to even just live in a house, and they both had to grow up really fast. That probably wasn't hard for Hiro, because he's already wise beyond his years, but Tadashi, it might've been harder on. Plus, you have the factors that Tadashi would remember his parents better than Hiro would, since he was older. They both experienced loss, and it wasn't remotely their fault that there was a car crash. I looked into the file, and your wife was drunk when she hit the car, meaning it's actually your wife's fault that the whole thing happened. Seeing as she was drunk and alone, I can only guess that she wasn't happy with her life, be it with her personal or professional life. Hiro and Tadashi weren't at fault; your wife was the one who was in the wrong lane and slammed into the Hamada car. Technically, there is no one left to lay blame upon and you really should have dropped it. Your grudge is pointless."

Callaghan slammed his palms down on the table, infuriated by Walter's pointed and emotionless response. "How dare you? It wasn't my wife's fault!" he snarled.
"Written reports and legitimate photographs don't lie," Walter shrugged. Maybe he had been a little too rough with his analysis - Paige probably would have reprimanded him, he realized - but he'd managed to crack him, exposing the vulnerable person beneath - which was exactly what they'd need to continue the interrogation later.