Kai and Caleb Goodacre have been kidnapped just as rumors of a cult sweeping across the reservation leads Maggie and Hastiin to investigate an outpost, and what they find there will challenge everything they’ve come to know in this action-packed sequel to Trail of Lightning. It’s been four weeks since the bloody showdown, and Maggie Hoskie, Diné monster hunter, is trying to make the best of things. Only her latest bounty hunt has gone sideways, she’s lost her only friend, Kai Arviso, and she’s somehow found herself responsible for a girl with a strange clan power.

On the blood-soaked borders of Angland, Leo dan Brock struggles to win fame on the battlefield, and defeat the marauding armies of Stour Nightfall. He hopes for help from the crown. But King Jezal's son, the feckless Prince Orso, is a man who specializes in disappointments. Savine dan Glokta - socialite, investor, and daughter of the most feared man in the Union - plans to claw her way to the top of the slag-heap of society by any means necessary. But the slums boil over with a rage that all the money in the world cannot control.

The Omehi people have been fighting an unwinnable fight for almost 200 years. The lucky ones are born gifted. One in every 2,000 women has the power to call down dragons. One in every 100 men is able to magically transform himself into a bigger, stronger, faster killing machine. Everyone else is fodder, destined to fight and die in the endless war. Young, giftless Tau knows all this, but he has a plan of escape. He's going to get himself injured, get out early, and settle down to marriage, children, and land. Only, he doesn't get the chance. Those closest to him are murdered....