After The Purge, Sam is feeling less than stellar with himself and with how his and Dean's relationship is at the moment, so when Sam develops a severe migraine, he doesn't bother letting Dean know. He doesn't want his brother even more upset with him, and with Dean hanging out with Crowley nowadays; Sam can handle it on his own, right?

With Sam's wall a constant worry for both Dean and Sam, Dean decided to settle in with an easy wendigo hunt. However, nothing is ever easy for the Winchester's and Dean finds himself winding up doing what he does best: taking care of his little brother.