im doing the Dampened Spirits quest but after i poisoned the vats , to get out back to skyrim , it tells me i need a key...i dont have a key and the guy didnt give me one...how the hell do i get out?...im so bloody STUCK!...can no one help me out with this plssssss??......NM BACK TO THE RAT CELLER LOL....DAMN , I LOVE THIS GAME!!!

there is a key hanging directly to the right of the brewery's front door which will allow you to exit with out going all the way back through the cave.