The story begins here. The previous week begins here.
Aegus did not become king of that city of pirates by being the sort of man who is slow to recognize an opportunity. The king of Athens jumped onto the dock and stopped the murders. Then he closely questioned Androgiar and the other ship's officers until he was convinced that Androgiar was telling the truth. In those days no one could become a king of Kadlandith without a couple of sea voyages behind him, and so Presaron had sent his oldest son with this ship to gain the experience he would need to be king.
Aegus had the surviving prisoners transferred to his dungeon for a few days while he consulted the gods through an oracle. On the fourth day, he freed them all and sent them back to King Presaron for a ransom. It was the kind of foolish bravado that would normally have gotten an entire Greek city destroyed by the wrath of the Valangzar, but this time the Greeks were lucky, for Presaron was as cowardly as his son. The king of Kadlandith immediately set about fulfilling the ransom demands.
If the ransom had only been wealth, then Presaron would only have been a coward, but king Aegus demanded more than wealth for Presaron's son; he demanded power. And for giving that power to Aegus, Presaron was not only a coward, but a fool and a traitor as well. That was the beginning of the end of the Aghianar.