Just wondered how polished the GOF 2.5 is?  i accepted the quest got my passenger. and talked to him before departure; however i arrive in port royal at night (not got a marque) and go to the tavern but it won't deliver the passenger. I searched it up and google. Apperently i am supposed to get arrested during this quest, however i am yet to get arrested and be able to continue the quest. :) cheers. 

I have never played GOF 2 or 2.5.  I think there are probably some bugs with those mods (from what I've read on the internet), but I have left them mostly as original because frankly, they stripped out most of the best developments from 1.2, so they aren't really worth playing or devoting work, in my opinion; GOF 1.2 is the better among 1.2, 2.0 and 2.5 GOF titles, and from my own gameplay, can confirm most of the major quests work fine.

That said, if I remember correctly, you don't get arrested until you go around the corner, closer to Morgan's residence.  Try walking around that corner to his house.