London is in the aftermath of a near-apocalypse—a comet has just missed earth, leaving the city in chaos. in this time of uncertainty, only the blind boy oracle, tersias, can see what the future holds. but awareness of his power is growing, and he is captured by solomon, a false prophet whose minions swarm london. An unlikely alliance of teenage highwaymen and a charlatan magician swear to break down solomon's Citadel and rescue tersias from the false prophet's clutches. they wonder if tersias's power can save them all. but they haven't realized the source of his second sight, and they aren't aware of a much darker force that torments his soul. . . .