A/N: Thanks so much for all the reviews. I'm glad everyone likes the fic so much.

Here's Chapter Four! Hope you enjoy!

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Piper skipped dinner that night. She had locked herself in her room – and even locked Leo out, with a warning that if she saw orbs, she was going to blow them into tiny pieces.

Slightly shaky, Piper got into bed. She hadn't felt well since that first dream – or memory – she'd had. She seemed to be getting worse, not better. In fact, she was more nauseas than when she had first gotten up that morning. Her throat felt worse and, unless she was mistaken, she had a slight fever. And her wrists throbbed from the cuts – the cuts that had been made from her dream memory.

Confused, Piper rolled her sleeves up and touched her fingers to the white gauze. She hadn't cut in ten years, and now some kind of dream memory had caused her to relapse. She wondered, with fear, if she'd end up cutting again, or if she'd be able to reframe from it. She hopped it would end up being the latter.

"Piper?"

Piper quickly rolled her sleeves down and stuck her arms under the blankets.

"What?"

"Piper, I brought you some dinner," Prue called through the door.

"I'm not hungry," Piper called back.

"You need to eat," Prue said softly.

"You've changed your punch line? Earlier it was, 'Piper, show me your arm.'"

There was a long pause.

"Piper, that's not fair. I'm just looking after you," Prue replied finally.

"Well, stop!" Piper snapped. "I'm not cutting again and to accuse me like that-" Piper cut off. "Just go away, Prue. I don't need you."

Prue didn't reply right away. "Goodnight, Piper. I love you."

Piper heard Prue walk away and leaned against her pillows, tears in her eyes.

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Hours and hours later, Piper awoke with a gasp. Her heart was beating so quickly, she felt sick. She was covered in hot sweat and her body was being overcome by a terrible fever. Her breath was coming in short gasps.

"P-prue-" she gasped, her tone soft and whispered. "P-phoebe-" she whispered.

Piper gasped several times, trying to get air into her lungs. But she was too short of breath.

She kicked her sheets off with shaky legs and swung them over her mattress onto the floor. Vision blurred, Piper stared at the door and stood. She took one step – and went down with a loud thump.

"Help me," she croaked before everything went black.

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"Piper!"

"What happened?" Phoebe asked, kneeling beside her sister.

Prue shook her head. "I don't know. Piper!" she shook Piper's shoulder, but she didn't respond. "Help me get her on the bed."

Between the two of them, Prue and Phoebe got Piper back on the bed.

"Leo!" Prue called.

Blue orbs filled the room. Leo appeared. When he saw Piper, he rushed over.

"What happened?"

"We don't know," Phoebe said. "Prue heard a noise and we came in. She was on the floor. She won't wake up, Leo."

Leo placed his hands over Piper, His hands glowed, but nothing happened. Piper remained unconscious.

"She's burning up," Prue said, removing her hand from Piper's forehead. Her hand grazed Piper's sleeve as she moved it and the sleeve was pushed up. Prue saw something white beneath it.

"Guys," Prue said, her brow furrowed. She pushed Piper's sleeves up to reveal the bandages.

"You were right," Phoebe said softly, eyes filling with tears.

"But I might have been too late," Prue retorted softly.

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Paige woke to a feverish fit. She was shaky and sweaty and short of breath. Her heart was beating so fast, it scared her. She looked around desperately, but had no idea what to do. She had to reach a phone, but it was over on her desk.

She threw her sheets off of her body and tried to get out of bed, but her body held her back and she fell back on her pillows.

"Someone . . ." she gasped, before everything went black.

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Piper gasped as she awoke. The room was dim and the smell of antiseptic filled her nose. She coughed and sat up, her headachy. She was covered in sweat and feverish.

"Oooh," someone groaned.

Piper jumped and looked around. "Who's there?"

"Who's that?"

Piper got out of the bed she was sitting in and stumbled across the room to find a light switch. She flipped it.

From a bed on the other side of the room, a raven-haired girl sat up, rubbing her head.

"You're the girl from the park," Piper said.

"You," Paige said, nodding. "Where are we?"

Piper looked around, gulped, then looked at the girl. "It looks like Los Angeles Psychiatric Institution."

The girl suddenly looked scared. "How'd I get here? I don't want to be back here!"

"Back here?" Piper questioned.

The girl nodded. "I was here ten years ago. I don't want to be here now."

Piper frowned. "What's your name?"

"Paige Matthews. You?" Paige asked slowly.

"Piper Halliwell."

Piper and Paige stared at each other, both suddenly silent and still.

The room seemed to spin and something snapped inside them.

"Paige?" Piper gasped.

"Piper!" Paige replied.

"I remember now," Piper murmured. "Someone fooled with my memory."

"I remember, too," Paige replied. "All of it."

"The part about us being sisters," Piper said.

Paige nodded.

"I don't think this is real," Piper informed her half-sister.

"How can it not be real? We're sisters-"

"Not that," Piper cut her off. "This place. I think we're trapped in our memories or an alternate reality. Something."

Paige frowned. "Is that possible?"

"You haven't been a Charmed One for three years," Piper replied dryly. "It's possible."

"Charmed One? Didn't your Grams mention that to us?"

Piper nodded. "I'll explain later. We need to figure out what's going on first."

"How?"

"Hopefully," Piper sighed, "my sisters are working that part out."