Will is forced to overcome his fear of Wargals, the foot soldiers of rebel warlord Morgarath, as Araluen's army prepares to battle Morgarath's forces.

After Ranger's apprentice Will battles Temujai warriors to rescue Evanlyn, Will's kingdom of Skandia joins forces with rival kingdom Araluen to defeat a common enemy.

After years as a Ranger's apprentice, Will is now the protector of his first fief. Not long into his service, everything that can go wrong does: Keren, a renegade knight, has taken over Castle Macindaw, a strategic gateway to the North-poisoning the royal family in the process-and is holding Will's friend Alyss captive. The situation grows direr when Will uncovers Keren's secret alliance with the Scotti, who have plans to plunder Araluen. Time is...

Tennyson, the false prophet of the Outsider cult, has escaped and Halt is determined to stop him before he crosses the border into Araluen, but Genovesan assassins put Will and Halt's extraordinary archery skills to the test.

In a faraway land, a young warrior must protect an emperor from an uprising and train an inexperienced army, with assistance from his Ranger friends.

"Will Treaty is a shell of his former self, and his first apprentice may be the only one who can save him"-- Provided by publisher.

As Morgarath recruits an army of Wargals, Halt ventures into enemy territory to uncover the extent of Morgarath's plan of attack.

Maddie, Will Treaty's fearless young apprentice, aided by Hal, Thorn, and the rest of the Heron Brotherband, tries to rescue her mother, Princess Cassandra, who is trapped in Castle Araluen.

Held captive by the dangerous baron Lassigny, Will Treaty and his fearless young apprentice, Maddie, must outwit the baron with the help of their friends from home to escape.

After investigating a reconnaissance force invading the northern countryside, Will and Maddie split up to gather intel and allies to defend their territory.