Book 3 of Legacy of Dragons. Spoilers ahead for earlier books.
It opens with Kira having a nightmare and discussion of politics. It picks up with an assassination attempt.
Kira and Jason on another journey. It involves trains, Kira's blackouts, an aunt, someone who was thought dead, a letter, Kira's having a banner, the danger of a carriage, stealing a boat, lightning mages, Urth's refusal to give them vital information, an immense danger, and more.