You survive the Half-Orc constables and their Sobriety Checkpoint at the East Gate of Saltmarsh. Personally, I think it's a case of entrapment as the East Gate has no less than five taverns nearby.
(You are a quick study, Chessicfayth!

)
I roll a Sense Motive Check
(How did I hide my horns and wings disguised as a tree? Wowzers, that was a good check!)