With Keren have succeeded in taking over Macindaw, Will and Horace must find a way to take back the castle with their friend Malcom.  Keren has been plotting with the Scotti, so the fate of Aurlen is on the line. Will has an even greater desire to take back the castle, for Alyss is trapped within. With the help of the Skandians, Will and Horace attack Macindaw in an attempt to take back the castle, and stop the Scotti. Will, Will and Horace be able to take back Macindaw? Read The Siege of Macindaw to find out.