Following recent events, Annabeth Chase returns to Camp Half-Blood to discover the secret plans her friend Percy Jackson has been involved in. Luke has a new plan to use the legendary Labyrinth of the great inventor Daedalus to invade camp with Kronos and his army. Her only hope is to delve into the maze with her friends and convince Daedalus to help them instead of Luke. With everything happening she can't determine which is more difficult: trying to save the camp, or trying to understand the complex mind of boys