The Thrilling Conclusion to the Intelligencers Series Dagrun Lund and her Intelligencer friends have survived the winter, but spring does not bring safety. Dag must navigate the frozen Pale Sea and the treacherous stone spires of the Teeth to deliver food to Tarklee. Rations are tight in the capital of the Fair Seas Treaty Alliance, a dire situation made worse when food is stolen from the warehouses. The citizens are growing uneasy, and the leaders of Tarklee fear rioting. In the Sapphire Sea, Calder Rahmson must stop Pinho, the mastermind behind the plot against the Fair Seas Alliance, from taking control of Arressa. With Pinho on the run and the Arressan council once more in charge, peace between the Sapphire Sea and the Fairs Seas Treaty Alliance can be restored. But Rahm, Calder's father and a deadly assassin, is pursuing his own agenda that could have far-reaching consequences for the Alliance. Can Pia stop him? Does she even want to?