Jonah Blackstone should have known his summer break wouldn't be quiet. His hope of a normal fourteenth birthday is shattered when supernatural hunters crash the party in search of an Afterworld Courier. Caught in the middle of the action, Jonah and his cousins team up with Kevin, a Fallen Reaper, on a quest to figure out the clues to the Seeker's Compass, the only device that can safely return the Courier to the Afterworld. When the hunters target Jonah's loved ones, he must learn the true meaning of sacrifice to outwit the enemy and prevent the destruction of the Alliance.