After joining forces to save Castallan from an ancient magical evil, Alfie and Finn haven't seen each other in months. Alfie is finally stepping up to his role as heir and preparing for an International Peace Summit, while Finn is traveling and reveling in her newfound freedom from Ignacio.

That is, until she's unexpectedly installed as the new leader of one of Castallan's powerful crime syndicates.

Just when Finn finds herself back in San Cristobal, Alfie's plans are also derailed. The mysterious organization responsible for his brother's murder, has resurfaced--and their newest target is the summit. And when these events converge, Finn and Alfie are once again forced to work together to follow the assassins' trail and preserve Castallan's hopes for peace with Englass.

But will they be able to stop these sinister foes before a new war threatens their kingdom?