The turtles were sleeping in the lab under a large blanket snuggled up together. Chloe was still unconscious on the cot and hooked to an IV.

After sleeping for a few hours, the turtles slowly woke up. Donny went to check on Chloe and saw that she looked a little better but was still unconscious.

"Any change?" Leo asked.

"She's improving but it might be a while before she wakes up," Donny said.

"Maybe her grandparents know something about the attack," Mikey chimed in.

"We should go and find out right now," Raph said.

"Donny and I will go see Chloe's grandparents," Leo said.

"Raph and Mikey, please let us know if there's any change in Chloe's condition," Donny requested.

Mikey and Raph slowly nodded. Donny and Leo left the lab and prepared to go topside.

Donny and Leo arrived at Chloe's grandparents' house wearing trench coats and fedora hats and rang the doorbell. Chloe's grandparents immediately answered the door and let Donny and Leo inside.

"Do you want some tea?" Grandma Calls offered which Donny and Leo accepted.

"Have you seen Chloe?" Grandpa Calls asked.

"We have some bad news," Donny said.

"Maybe you should sit down," Leo suggested to Chloe's grandparents.

Grandma and Grandpa Calls sat down on a nearby sofa. They joined hands and gave each other a nervous look.

"Chloe was attacked by the Purple Dragons last night," Donny explained. "She's on a cot in my lab hooked to an IV. She's alive but unconscious."

"My grandbaby!" Grandma Calls said, sounding panicked.

"I gave her some of my blood," Leo said.

"That's really nice of you," Grandpa Calls said gratefully.

"Do you have any idea why the Purple Dragons would attack Chloe?" Donny asked.

"Probably the same reason our son and his wife were attacked in high school," Grandma Calls said.

"Chloe's parents got attacked by the Purple Dragons?" Leo asked in shock.

"We still have the newspaper involving the incident," Grandpa Calls said. "We can get the paper if you'd like."

Donny and Leo nodded. Grandma and Grandpa Calls stood up and left the room.

"Looks like we're getting somewhere," Donny commented.

"We'll know for sure once we see the paper," Leo said.

Just then, Chloe's grandparents came back with the paper. They handed the paper to Donny and Leo.

"Would it be OK to show this to our brothers?" Donny asked.

"That would be fine," Grandma Calls said.

"We'll bring it back as soon as we can," Leo promised.

"Take all the time you need," Grandpa Calls said.

Donny and Leo said goodbye to Chloe's grandparents. Then they left the house.

Back in the lab, Donny and Leo were showing the paper to Mikey and Raph. All of them were shocked at what they were reading.

"I can't believe Chloe's parents got attacked for a reason like that," Raph said angrily.

"It does seem pretty ridiculous," Donny agreed.

"Why would they attack Chloe's parents for winning a national math competition?" Mikey said.

"If Chloe wants to bring it up she can but none of us are to do that," Leo instructed.

Donny checked on Chloe and adjusted the IV bag. Just then, Mikey walked over and Leo and Raph left the lab.

"She looks a little better," Mikey noticed.

"Did she wake up yet?" Donny asked.

"Not yet."

"At least her chances for survival are looking a little better now."

"Why don't we get some pizza?"

"That would be a good idea."

Mikey and Donny wrapped their arms around each other and gently pulled away a few minutes later. After another check on Chloe, who was still unconscious, they left the lab.

To be continued...