Sam groaned in pain as he jogged through the hallways. His leg had gone numb and his hand bled furiously, but he desperately needed something to get the cuffs off his wrists. It wasn't easy running with your hands behind your back. He skidded around the corner and came across a table full of goods. He selected a needle from the array and began picking away at the lock. The cuff fell away just as Dean ran around the corner, gun aimed.

'Stop or I'll shoot!' he yelled. His face was dark and angry. Sam raised both hands, the cuffs dangling from his right wrist. His hand was hurting the most; you could practically look through the freakin' hole.

'All right Dean,' said Sam, dropping the needle. 'You win.'

Dean recoiled slightly as Sam said this, before eagerly rushing in and cuffing him again.

'Move,' he ordered. As they walked along, Sam gave himself a mental head slap. How could he forget?

'So, um, Dean,' he began casually. 'Just a reminder; do you remember what Dad told us about Shifters? He said that when you shine a light in their eyes, they change. They do that click-over glow-eerily thing.' Sam broke out of Deans grasp and faced him. 'Why don't you try that with me?'

Dean stared stonily at him, thoughts unreadable, before giving him a shove.

'Move!'

Sam sighed, hoping Dean thought about what he had said. Because he had a feeling that he was a Dead Man Walking.

Brooks looked up as Dean led Sam through the door.

'Haha!' she cackled in glee. 'That's my boy, Dean!' She grabbed Sam's arm and dragged him over to a chair, dumping him in it. Dean glanced at Brooks, who had walked away, her back turned. He moved quietly over to Sam and clicked on his flashlight, shining it in Sam's eyes. Nothing happened. All Sam's eyes did were squint. The realization hit Dean hard. Sam wasn't dead. He hadn't killed him.

'Dean,' Brooks said. 'What are you doing?'

'Oh, I can't get my flashlight off,' he said, faking a frown. He moved towards her, fiddling with the light. Suddenly he tripped, crashing into her, the flashlight hitting her eyes. They clicked over.

'Oh, gees, sorry!' Dean apologized. 'So clumsy of me. So, are we ready to kill the bastard yet?'

Brooks eyed him suspiciously. 'Now I guess.'

Dean grabbed his gun and aimed it at Sam's head.

'Wait,' said Brooks. She began to feel guilty again. She went to speak what she was thinking, but the guilt washed away. 'I think we should do it against that wall.'

'Yeah! Great idea!' Dean said enthusiastically. He dragged Sam out of the chair, discreetly pressing a paper clip into his hand. Sam's guts lifted – Dean was back. He was led over to the wall.

'I told you Shapeshifter,' Dean said loudly, backing up. 'I told you to get out of him, to let him rest in peace. But no! You decided to continue being him; are you trying to break my heart or something?'

Sam just stood there, trying not to show that he had freed himself. Dean finally came to a stop beside Brooks.

'Time to die,' he muttered. He raised the gun, took a breath, and whirled to face Brooks, smashing her across the face with the barrel. In a split second Sam was beside his brother. He grabbed Brooks as Dean raised his arm again.

'Nice knowing you,' he said sarcastically, and pulled the trigger. The bullet pierced her heart and she stumbled back. She stood in shock.

'But I was beginning to feel,' she whispered. 'I felt like a real person.' She leaned against the wall, gasping for air.

'Why is it taking so long for you to die!' yelled Dean, shooting more bullets at her. She slid down the wall, dead.

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woohooo! brooks is dead! but how will sam and dean get past all those other shapeshifters? you'll just have to tune in tomorrow for another chapter :)