May 31st excerpt:
Realizing what Sam intended to do, Dean reacted instantly. He grabbed Sam’s shoulder, hauling him back before he could dart back into the open to try and save their friend.
Dean slammed Sam against the side of the cavernous walls they were hiding in and covered up his mouth with a hand.
“Not a word,” Dean hissed, his voice as low as it could go. “We go out there, we’re as good as captured. We can’t help him.”