Baldur's Gate II Chapter 4 is the fourth part of Baldur's Gate II: Shadows of Amn. After defeating your opponent's guild, either Bodhi or Aran Linvail will have sent you on a ship to Brynnlaw, sailed by Saemon Havarian. If you joined the Shadow Thieves, Saemon will betray you when you arrive and summon three vampires to attack you in the Brynnlaw docks.