Dean woke with a start. He bolted upright in his bed and managed to knock everything off of his bed stand in the process. An empty glass smashed on the floor a few feet from him and his lamp that had been left on toppled and hung over the side, not quite pulling the lead out of the wall, but resulting in curious shadows being cast over Dean's bedroom walls. He managed to gather his senses just in time to save Sam's laptop from falling off his lap and off the bed. Sweating and wide-eyed Dean looked around him, taking in what had just happened and recovering after what he'd just dreamt.

"Dean!" He whipped his head up just as Sam slammed through the door, gun held high and brow furrowed. After scoping the room for any threat, Sam's eyes fell onto Dean's panicked face. He lowered his gun and rushed over to the bed. "Dean?" Dean looked up, not quite at Sam, more like through him, and breathed heavily. Sam touched his shoulder and Dean flinched away. Sam drew his hand back quickly and his brow deepened further. This time, Dean looked directly into his eyes and took a few more deep breaths before regaining full consciousness.

"Sammy?" Dean looked around the room again and this time registered what had happened and started to get up. Sam pushed him back down by his shoulders.

"No, what happened?"

"Nothing. It was just a dream Sammy." Dean tried to get up again and Sam let him.

"Dean -"

"I'm fine, Sam. What time is it?" Sam looked at Dean a few seconds longer, until Dean raised his eyebrows, urging him to get his phone out of his pocket and see that it was only 4:04am. Dean dragged his hand down his face and took a deep breath before beginning to pick up the glass that had shattered all over the floor. Small splashes of whiskey were dotted about the carpet from the dregs that had been left over when it had fallen. Sam picked up the lamp and put it back in its place.

"I'll grab the vacuum cleaner." Dean looked up as Sam left the room and once he was alone he stopped what he was doing and sat back on his heels. He'd managed to keep it hidden from Sam but Dean had been able to feel it when he woke up. He looked down at his arm and saw the mark that branded him glowing orange. This had been the reason he hadn't been completely aware when he had woken. The mark had been taking hold as Dean had slept and his dream unfurled. It had almost taken complete control of him.

He heard Sam approaching the room again and quickly jumped up and grabbed his hoodie. He managed to cover the mark just as Sam walked through the door, set the vacuum cleaner down near the glass and plugged it into the wall. Dean watched as Sam cleared up the mess and took the time to lift his sleeve and check on the mark. It had stopped glowing and the pull was weaker compared to when it had woken him. He thought back to when he had jolted awake and he felt panic surge through him as he remembered what the mark had been commanding him to do. He had woken with the intention of doing something he could never forgive himself for. The mark had wanted him to kill Sam.

Dean had been so lost in the thought of this that he hadn't realised when Sam finished cleaning up and started walking towards him. He felt a hand on his shoulder and looked up at his brother with a look of horror on his face. A look that he hadn't intended on showing Sam but nevertheless it had happened and now Sam knew something was wrong. Dean knew there was no escaping this one, the look on Sam's face was a familiar one that tended to urge the truth out of the older brother.

"Dean, you can talk to me. I'm you brother, you don't have to hide anything from me." Sam nudged Dean's shoulder slightly, "We're in this together, man." He gave Dean a weak smile and started to walk out of the room. "Come on, let's call Cas and we'll have a drink."