I do not own The Secret Saturdays.

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Nico peered out of the hole in the wall. Then he looked at Serena.

"This is so crazy. I didn't think that Sarah would actually do this."

"She's evil. It's what she does. She twists people's minds and then crushes them." Nico started to walk out of the room. Serena stopped him. "Where are you going?" Nico looked at her.

"I'm tired."

"It's noon. How are you tired?" Nico yawned; then continued to walk out.

"I just am."

"But what about Zak? We need to get him." Nico just kept walking. She ran in front of him. "What is wrong with you?" She looked at him. His usually blue eyes were dull; almost grey. She put her hand on his shoulder. "Nico, are you okay? You look crappy."

"I died. Of course I look like crap."

"You weren't dead yet. I can't bring people back to life. You were almost dead. You look really bad though. Your eyes are dull and the roots of your hair are turning grey." He pushed her hand off and continued to walk.

"That happens. I'm tired. So tired." He took another step; then fell over. Serena bent over and looked at him. He was asleep. She sighed.

"Come on, Nico. You need to get up." Nico didn't respond. He just kept sleeping. "Come on, Nico. Please? Why won't you wake up? Wake up!" Nico opened his eyes and looked at Serena.

"What the heck? Shut up! I'm tired! Why can't you just leave me alone?" Serena looked at him; then ran away crying. Nico stood up.

"Serena! Wait! I'm sorry!" Suddenly Nico fell over. The feeling of a thousand knives stabbing through his body. He screamed in pain. Serena ran back.

"Nico! Oh my gosh! What's going on?" Nico looked up at her.

"I, ugh! Don't know. It's, ow! It's like jolts of electricity are shooting through me." Serena knelt beside him. Then she looked at him.

"Uh, Nico; I think you're growing a tail." Nico looked at her.

"What? No. That's not possible. I lost that power six months ago when I almost died in Secret Scientist HQ raid." Serena grabbed his tail and shove it in front of his face.

"Doesn't this look like a tail?"

"Yes." Serena let go of his tail.

"Yeah; I though so. So now what? You're not much help to me as a wolf." Nico looked up at her.

"I'm aware of that. But have you noticed that nothing else is happening? I don't see anything else." Serena walked around him. Then picked up one of his hands. Then she popped open his mouth. Then she slapped him in the face.

"You're right. Nothing else. That's just weird." Nico stood up.

"I have a feeling you had something to do with this."

"You have to be kidding me. Why would I do this to you?"

"I don't know. I just don't like this. It's like a stupid blade in my chest."

"Wait, that's it! Sarah. She stabbed you, remember?"

"Yeah."

"It probably caused this."

"I hate that girl." Serena put her hand on Nico's shoulder.

"She's nuts. She has no heart. You just have to admit it. She the devil in blonde." Nico smiled.

"That you have to admit. But I can't go around with a tail."

"Why not?"

"I just can't." He started to walk away, but Serena stopped him.

"Where are you going?" Nico looked at her.

"I'm not telling you." He continued to walk away. Serena followed him. He walked over to a door. Then he looked back at her. "Serena, don't follow me." Serena walked up next to him.

"Why not?" He turned around.

"Just don't! Isn't that enough? Do you need an explanation? Just don't follow me!" Serena just stood there. Tears started to form in her eyes.

"I thought we were friends." She turned around and ran away. Nico just turned around and walked out of the door.

Meanwhile, Zak looked up at Sarah. His hands and feet were bolted to a table.

"Sarah? Why are you doing this?" Sarah just continued to circle him while holding a knife.

"I'm not gonna do anything to you if you make the right choice."

"Choice about what?" Sarah looked at him.

"It's very simple. I need a new apprentice. I would like you to be my apprentice." Zak looked at her.

"Never! You killed Nico!"

"Oh, shut up! He's not dead. I didn't kill him. I just messed him up a bit."

"What do you mean by messing him up?" Sarah smiled.

"Well, he lost the ability to turn into a wolf during the secret scientist HQ raid. I jabbed him with a sword. Now he has a tail."

"You gave him a tail? That's it? That's the most devious thing you could think of? I would've turned him into a horrible mutated freak. Then I would've shot him! You are the worst villain ever!" Sarah grinned.

"That's why I want you to be my apprentice. We could cause so much havoc with a mind like you." Zak looked over at her smiling.

"Man, I like being bad. This is fun. Now, let's destroy Nico and Serena."