After the disastrous expedition to the island volcano, Ioene, Lilik is home with a warning. The malevolent tyrant, Mieshk Ulstat, is gathering devastating magical power. Unchecked, Mieshk will obliterate Kiriilti civilization. But when the ruling Trader Council refuses to heed her, Lilik turns to her own kind: the gutterborn. As Lilik rallies rebels from the slums, she delves into her abilities as a soul priestess through contact with a nightforged dagger. Tyrak, the soul imprisoned within the blade, mistakes Lilik for his love from centuries past. Through their complicated bond, she learns the arts of swordplay and leadership. But when a surprise attack comes from a rogue trader House, she learns the hard truth of war: no plan survives first contact with the enemy. Warships lay siege to the city. Traders and gutterborn clash in the streets. And with each passing day, the true enemy just grows stronger.