In this thrilling installment, the story follows the god Apollo, who has been cast down to Earth in the mortal form of a teenager named Lester Papadopoulos. Alongside his demigod friends Meg McCaffrey and Grover Underwood, Apollo embarks on a perilous quest to navigate the dangerous Burning Maze. Their mission is to rescue the imprisoned Oracle of Erythaea and thwart the plans of the villainous Triumvirate Holdings, a group of ancient Roman emperors seeking to regain power. As they face numerous challenges and uncover dark secrets, Apollo must confront his own past mistakes and learn the true meaning of heroism.